18045839

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{563}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 21838080

約数和(自身を除く): 3792241

約数列:

[1, 7, 19, 133, 241, 563, 1687, 3941, 4579, 10697, 32053, 74879, 135683, 949781, 2577977, 18045839]

約数ペア:

[(1, 18045839), (7, 2577977), (19, 949781), (133, 135683), (241, 74879), (563, 32053), (1687, 10697), (3941, 4579)]