18872750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5807}}^1$

素因数の和:5837

約数の個数: 32

約数和(自身を含む): 38054016

約数和(自身を除く): 19181266

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 5807, 11614, 29035, 58070, 75491, 145175, 150982, 290350, 377455, 725875, 754910, 1451750, 1887275, 3774550, 9436375, 18872750]

約数ペア:

[(1, 18872750), (2, 9436375), (5, 3774550), (10, 1887275), (13, 1451750), (25, 754910), (26, 725875), (50, 377455), (65, 290350), (125, 150982), (130, 145175), (250, 75491), (325, 58070), (650, 29035), (1625, 11614), (3250, 5807)]