1900538620

素因数分解:

$2^2\times 5^1\times {\mathrm{95026931}}^1$

素因数の和:95026940

約数の個数: 12

約数和(自身を含む): 3991131144

約数和(自身を除く): 2090592524

約数列:

[1, 2, 4, 5, 10, 20, 95026931, 190053862, 380107724, 475134655, 950269310, 1900538620]

約数ペア:

[(1, 1900538620), (2, 950269310), (4, 475134655), (5, 380107724), (10, 190053862), (20, 95026931)]