How many weapons are there

Hello, to answer your question:

Pilot weapons:

Primary weapons: 10

R-101C Carbine - Fully automatic assault rifle used by Pilots.
R-97 Compact SMG - Fully automatic Submachine gun with a high fire rate.
Smart Pistol Mk5 - Semi-auto handgun with lock-on capability.
EVA-8 Shotgun - Semi-automatic shotgun.
Longbow-DMR Sniper - Semi-automatic sniper rifle with Ex Zoom Scope.
C.A.R. SMG - Submachine gun with high rate of fire and medium damage.
G2A4 Rifle - Old variant rifle, obsolete but still powerful.
Hemlok BF-R - High damage, high rate of fire assault rifle.
Krabr-AP Sniper - Long distance, high damage sniper rifle.
Spitfire LMG - long range machine gun with lethal stopping power.

Sidearms: 3

B3 Wingman - 8-bullet revolver that packs a serious punch.
Hammond P2011 - A strong pistol alternative to the B3, fast and destructive.
RE-45 Autopistol - Trading off damage for rapid fire, the RE-45 is a wonderful suppression weapon.

Anti titan weapons: 4

Sidewinder AT-SMR - A rapid-fire anti-Titan rocket launcher.
Archer Heavy Rocket - Guided anti-Titan rocket launcher.
MGL - Magnetic grenade launcher.
Charge Rifle - Electrically charged arc rifle.

Titan Weapons: 6

40mm Cannon - Titan-mounted blaster cannon that fires explosive rounds.
Quad Rocket - A launcher that fires four rockets at once, or a slow moving swirl of rockets in alternative fire mode.
XO-16 Chaingun - A high RPM chaingun that causes massive damage.
Plasma Railgun - A railgun which fires ammunition charged by plasma.
Arc Cannon - A directed-energy cannon used by Titans.
Triple Threat - A grenade launcher which shoots three grenades at once.

Here i am not considering ordinance or kits.

So total:

Pilot Weapons: 17   Titan Wapons: 6