18885664

素因数分解:

$2^5\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1429}}^1$

素因数の和:1505

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 24357536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 112, 118, 224, 236, 413, 472, 826, 944, 1429, 1652, 1888, 2858, 3304, 5716, 6608, 10003, 11432, 13216, 20006, 22864, 40012, 45728, 80024, 84311, 160048, 168622, 320096, 337244, 590177, 674488, 1180354, 1348976, 2360708, 2697952, 4721416, 9442832, 18885664]

約数ペア:

[(1, 18885664), (2, 9442832), (4, 4721416), (7, 2697952), (8, 2360708), (14, 1348976), (16, 1180354), (28, 674488), (32, 590177), (56, 337244), (59, 320096), (112, 168622), (118, 160048), (224, 84311), (236, 80024), (413, 45728), (472, 40012), (826, 22864), (944, 20006), (1429, 13216), (1652, 11432), (1888, 10003), (2858, 6608), (3304, 5716)]