18163744

素因数分解:

$2^5\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:122

約数の個数: 72

約数和(自身を含む): 39716460

約数和(自身を除く): 21552716

約数列:

[1, 2, 4, 8, 16, 23, 29, 32, 37, 46, 58, 74, 92, 116, 148, 184, 232, 296, 368, 464, 529, 592, 667, 736, 851, 928, 1058, 1073, 1184, 1334, 1702, 2116, 2146, 2668, 3404, 4232, 4292, 5336, 6808, 8464, 8584, 10672, 13616, 15341, 16928, 17168, 19573, 21344, 24679, 27232, 30682, 34336, 39146, 49358, 61364, 78292, 98716, 122728, 156584, 197432, 245456, 313168, 394864, 490912, 567617, 626336, 789728, 1135234, 2270468, 4540936, 9081872, 18163744]

約数ペア:

[(1, 18163744), (2, 9081872), (4, 4540936), (8, 2270468), (16, 1135234), (23, 789728), (29, 626336), (32, 567617), (37, 490912), (46, 394864), (58, 313168), (74, 245456), (92, 197432), (116, 156584), (148, 122728), (184, 98716), (232, 78292), (296, 61364), (368, 49358), (464, 39146), (529, 34336), (592, 30682), (667, 27232), (736, 24679), (851, 21344), (928, 19573), (1058, 17168), (1073, 16928), (1184, 15341), (1334, 13616), (1702, 10672), (2116, 8584), (2146, 8464), (2668, 6808), (3404, 5336), (4232, 4292)]