18212925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{12781}}^1$

素因数の和:12813

約数の個数: 24

約数和(自身を含む): 31699360

約数和(自身を除く): 13486435

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 12781, 38343, 63905, 191715, 242839, 319525, 728517, 958575, 1214195, 3642585, 6070975, 18212925]

約数ペア:

[(1, 18212925), (3, 6070975), (5, 3642585), (15, 1214195), (19, 958575), (25, 728517), (57, 319525), (75, 242839), (95, 191715), (285, 63905), (475, 38343), (1425, 12781)]