18465865556

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1\times {\mathrm{467}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 32936956416

約数和(自身を除く): 14471090860

約数列:

[1, 2, 4, 97, 194, 223, 388, 446, 457, 467, 892, 914, 934, 1828, 1868, 21631, 43262, 44329, 45299, 86524, 88658, 90598, 101911, 104141, 177316, 181196, 203822, 208282, 213419, 407644, 416564, 426838, 853676, 9885367, 10101677, 19770734, 20203354, 20701643, 39541468, 40406708, 41403286, 47592437, 82806572, 95184874, 190369748, 4616466389, 9232932778, 18465865556]

約数ペア:

[(1, 18465865556), (2, 9232932778), (4, 4616466389), (97, 190369748), (194, 95184874), (223, 82806572), (388, 47592437), (446, 41403286), (457, 40406708), (467, 39541468), (892, 20701643), (914, 20203354), (934, 19770734), (1828, 10101677), (1868, 9885367), (21631, 853676), (43262, 426838), (44329, 416564), (45299, 407644), (86524, 213419), (88658, 208282), (90598, 203822), (101911, 181196), (104141, 177316)]