84131620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{221399}}^1$

素因数の和:221427

約数の個数: 24

約数和(自身を含む): 185976000

約数和(自身を除く): 101844380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 221399, 442798, 885596, 1106995, 2213990, 4206581, 4427980, 8413162, 16826324, 21032905, 42065810, 84131620]

約数ペア:

[(1, 84131620), (2, 42065810), (4, 21032905), (5, 16826324), (10, 8413162), (19, 4427980), (20, 4206581), (38, 2213990), (76, 1106995), (95, 885596), (190, 442798), (380, 221399)]