18402852

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 48557824

約数和(自身を除く): 30154972

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 223, 276, 299, 446, 529, 598, 669, 892, 897, 1058, 1196, 1338, 1587, 1794, 2116, 2676, 2899, 3174, 3588, 5129, 5798, 6348, 6877, 8697, 10258, 11596, 13754, 15387, 17394, 20516, 20631, 27508, 30774, 34788, 41262, 61548, 66677, 82524, 117967, 133354, 200031, 235934, 266708, 353901, 400062, 471868, 707802, 800124, 1415604, 1533571, 3067142, 4600713, 6134284, 9201426, 18402852]

約数ペア:

[(1, 18402852), (2, 9201426), (3, 6134284), (4, 4600713), (6, 3067142), (12, 1533571), (13, 1415604), (23, 800124), (26, 707802), (39, 471868), (46, 400062), (52, 353901), (69, 266708), (78, 235934), (92, 200031), (138, 133354), (156, 117967), (223, 82524), (276, 66677), (299, 61548), (446, 41262), (529, 34788), (598, 30774), (669, 27508), (892, 20631), (897, 20516), (1058, 17394), (1196, 15387), (1338, 13754), (1587, 11596), (1794, 10258), (2116, 8697), (2676, 6877), (2899, 6348), (3174, 5798), (3588, 5129)]