18688922

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 33306240

約数和(自身を除く): 14617318

約数列:

[1, 2, 7, 14, 37, 74, 109, 218, 259, 331, 518, 662, 763, 1526, 2317, 4033, 4634, 8066, 12247, 24494, 28231, 36079, 56462, 72158, 85729, 171458, 252553, 505106, 1334923, 2669846, 9344461, 18688922]

約数ペア:

[(1, 18688922), (2, 9344461), (7, 2669846), (14, 1334923), (37, 505106), (74, 252553), (109, 171458), (218, 85729), (259, 72158), (331, 56462), (518, 36079), (662, 28231), (763, 24494), (1526, 12247), (2317, 8066), (4033, 4634)]