18978296

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 37098000

約数和(自身を除く): 18119704

約数列:

[1, 2, 4, 8, 29, 58, 116, 179, 232, 358, 457, 716, 914, 1432, 1828, 3656, 5191, 10382, 13253, 20764, 26506, 41528, 53012, 81803, 106024, 163606, 327212, 654424, 2372287, 4744574, 9489148, 18978296]

約数ペア:

[(1, 18978296), (2, 9489148), (4, 4744574), (8, 2372287), (29, 654424), (58, 327212), (116, 163606), (179, 106024), (232, 81803), (358, 53012), (457, 41528), (716, 26506), (914, 20764), (1432, 13253), (1828, 10382), (3656, 5191)]