18655990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2797}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 36262080

約数和(自身を除く): 17606090

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 667, 1334, 2797, 3335, 5594, 6670, 13985, 27970, 64331, 81113, 128662, 162226, 321655, 405565, 643310, 811130, 1865599, 3731198, 9327995, 18655990]

約数ペア:

[(1, 18655990), (2, 9327995), (5, 3731198), (10, 1865599), (23, 811130), (29, 643310), (46, 405565), (58, 321655), (115, 162226), (145, 128662), (230, 81113), (290, 64331), (667, 27970), (1334, 13985), (2797, 6670), (3335, 5594)]