18861362336

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{1319}}^1\times {\mathrm{19429}}^1$

素因数の和:20781

約数の個数: 48

約数和(自身を含む): 38779171200

約数和(自身を除く): 19917808864

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 1319, 2638, 5276, 10552, 19429, 21104, 30337, 38858, 42208, 60674, 77716, 121348, 155432, 242696, 310864, 446867, 485392, 621728, 893734, 970784, 1787468, 3574936, 7149872, 14299744, 25626851, 51253702, 102507404, 205014808, 410029616, 589417573, 820059232, 1178835146, 2357670292, 4715340584, 9430681168, 18861362336]

約数ペア:

[(1, 18861362336), (2, 9430681168), (4, 4715340584), (8, 2357670292), (16, 1178835146), (23, 820059232), (32, 589417573), (46, 410029616), (92, 205014808), (184, 102507404), (368, 51253702), (736, 25626851), (1319, 14299744), (2638, 7149872), (5276, 3574936), (10552, 1787468), (19429, 970784), (21104, 893734), (30337, 621728), (38858, 485392), (42208, 446867), (60674, 310864), (77716, 242696), (121348, 155432)]