18431530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4889}}^1$

素因数の和:4938

約数の個数: 32

約数和(自身を含む): 36968400

約数和(自身を除く): 18536870

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 4889, 9778, 24445, 48890, 63557, 127114, 141781, 283562, 317785, 635570, 708905, 1417810, 1843153, 3686306, 9215765, 18431530]

約数ペア:

[(1, 18431530), (2, 9215765), (5, 3686306), (10, 1843153), (13, 1417810), (26, 708905), (29, 635570), (58, 317785), (65, 283562), (130, 141781), (145, 127114), (290, 63557), (377, 48890), (754, 24445), (1885, 9778), (3770, 4889)]