18374980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2437}}^1$

素因数の和:2488

約数の個数: 48

約数和(自身を含む): 43006320

約数和(自身を除く): 24631340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 2437, 3770, 4874, 7540, 9748, 12185, 24370, 31681, 48740, 63362, 70673, 126724, 141346, 158405, 282692, 316810, 353365, 633620, 706730, 918749, 1413460, 1837498, 3674996, 4593745, 9187490, 18374980]

約数ペア:

[(1, 18374980), (2, 9187490), (4, 4593745), (5, 3674996), (10, 1837498), (13, 1413460), (20, 918749), (26, 706730), (29, 633620), (52, 353365), (58, 316810), (65, 282692), (116, 158405), (130, 141346), (145, 126724), (260, 70673), (290, 63362), (377, 48740), (580, 31681), (754, 24370), (1508, 12185), (1885, 9748), (2437, 7540), (3770, 4874)]