1897426420

素因数分解:

$2^2\times 5^1\times {\mathrm{94871321}}^1$

素因数の和:94871330

約数の個数: 12

約数和(自身を含む): 3984595524

約数和(自身を除く): 2087169104

約数列:

[1, 2, 4, 5, 10, 20, 94871321, 189742642, 379485284, 474356605, 948713210, 1897426420]

約数ペア:

[(1, 1897426420), (2, 948713210), (4, 474356605), (5, 379485284), (10, 189742642), (20, 94871321)]