18046580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47491}}^1$

素因数の和:47519

約数の個数: 24

約数和(自身を含む): 39893280

約数和(自身を除く): 21846700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47491, 94982, 189964, 237455, 474910, 902329, 949820, 1804658, 3609316, 4511645, 9023290, 18046580]

約数ペア:

[(1, 18046580), (2, 9023290), (4, 4511645), (5, 3609316), (10, 1804658), (19, 949820), (20, 902329), (38, 474910), (76, 237455), (95, 189964), (190, 94982), (380, 47491)]