20190351380

素因数分解:

$2^2\times 5^1\times {\mathrm{1009517569}}^1$

素因数の和:1009517578

約数の個数: 12

約数和(自身を含む): 42399737940

約数和(自身を除く): 22209386560

約数列:

[1, 2, 4, 5, 10, 20, 1009517569, 2019035138, 4038070276, 5047587845, 10095175690, 20190351380]

約数ペア:

[(1, 20190351380), (2, 10095175690), (4, 5047587845), (5, 4038070276), (10, 2019035138), (20, 1009517569)]