18694845

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31957}}^1$

素因数の和:31981

約数の個数: 24

約数和(自身を含む): 34898136

約数和(自身を除く): 16203291

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 31957, 95871, 159785, 287613, 415441, 479355, 1246323, 1438065, 2077205, 3738969, 6231615, 18694845]

約数ペア:

[(1, 18694845), (3, 6231615), (5, 3738969), (9, 2077205), (13, 1438065), (15, 1246323), (39, 479355), (45, 415441), (65, 287613), (117, 159785), (195, 95871), (585, 31957)]