18558522

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 42132480

約数和(自身を除く): 23573958

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 79, 93, 158, 186, 237, 279, 421, 474, 558, 711, 842, 1263, 1422, 2449, 2526, 3789, 4898, 7347, 7578, 13051, 14694, 22041, 26102, 33259, 39153, 44082, 66518, 78306, 99777, 117459, 199554, 234918, 299331, 598662, 1031029, 2062058, 3093087, 6186174, 9279261, 18558522]

約数ペア:

[(1, 18558522), (2, 9279261), (3, 6186174), (6, 3093087), (9, 2062058), (18, 1031029), (31, 598662), (62, 299331), (79, 234918), (93, 199554), (158, 117459), (186, 99777), (237, 78306), (279, 66518), (421, 44082), (474, 39153), (558, 33259), (711, 26102), (842, 22041), (1263, 14694), (1422, 13051), (2449, 7578), (2526, 7347), (3789, 4898)]