18580354

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 32126976

約数和(自身を除く): 13546622

約数列:

[1, 2, 13, 17, 26, 34, 127, 221, 254, 331, 442, 662, 1651, 2159, 3302, 4303, 4318, 5627, 8606, 11254, 28067, 42037, 56134, 73151, 84074, 146302, 546481, 714629, 1092962, 1429258, 9290177, 18580354]

約数ペア:

[(1, 18580354), (2, 9290177), (13, 1429258), (17, 1092962), (26, 714629), (34, 546481), (127, 146302), (221, 84074), (254, 73151), (331, 56134), (442, 42037), (662, 28067), (1651, 11254), (2159, 8606), (3302, 5627), (4303, 4318)]