18168410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8221}}^1$

素因数の和:8258

約数の個数: 32

約数和(自身を含む): 37294992

約数和(自身を除く): 19126582

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8221, 16442, 41105, 82210, 106873, 139757, 213746, 279514, 534365, 698785, 1068730, 1397570, 1816841, 3633682, 9084205, 18168410]

約数ペア:

[(1, 18168410), (2, 9084205), (5, 3633682), (10, 1816841), (13, 1397570), (17, 1068730), (26, 698785), (34, 534365), (65, 279514), (85, 213746), (130, 139757), (170, 106873), (221, 82210), (442, 41105), (1105, 16442), (2210, 8221)]