18404408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5101}}^1$

素因数の和:5159

約数の個数: 32

約数和(自身を含む): 38571120

約数和(自身を除く): 20166712

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5101, 10202, 20404, 40808, 56111, 112222, 209141, 224444, 418282, 448888, 836564, 1673128, 2300551, 4601102, 9202204, 18404408]

約数ペア:

[(1, 18404408), (2, 9202204), (4, 4601102), (8, 2300551), (11, 1673128), (22, 836564), (41, 448888), (44, 418282), (82, 224444), (88, 209141), (164, 112222), (328, 56111), (451, 40808), (902, 20404), (1804, 10202), (3608, 5101)]