18451312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2617

約数の個数: 40

約数和(自身を含む): 39966192

約数和(自身を除く): 21514880

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2557, 3608, 5114, 7216, 10228, 20456, 28127, 40912, 56254, 104837, 112508, 209674, 225016, 419348, 450032, 838696, 1153207, 1677392, 2306414, 4612828, 9225656, 18451312]

約数ペア:

[(1, 18451312), (2, 9225656), (4, 4612828), (8, 2306414), (11, 1677392), (16, 1153207), (22, 838696), (41, 450032), (44, 419348), (82, 225016), (88, 209674), (164, 112508), (176, 104837), (328, 56254), (451, 40912), (656, 28127), (902, 20456), (1804, 10228), (2557, 7216), (3608, 5114)]