20180921350

素因数分解:

$2^1\times 5^2\times {\mathrm{403618427}}^1$

素因数の和:403618439

約数の個数: 12

約数和(自身を含む): 37536513804

約数和(自身を除く): 17355592454

約数列:

[1, 2, 5, 10, 25, 50, 403618427, 807236854, 2018092135, 4036184270, 10090460675, 20180921350]

約数ペア:

[(1, 20180921350), (2, 10090460675), (5, 4036184270), (10, 2018092135), (25, 807236854), (50, 403618427)]