18804525020

素因数分解:

$2^2\times 5^1\times {\mathrm{940226251}}^1$

素因数の和:940226260

約数の個数: 12

約数和(自身を含む): 39489502584

約数和(自身を除く): 20684977564

約数列:

[1, 2, 4, 5, 10, 20, 940226251, 1880452502, 3760905004, 4701131255, 9402262510, 18804525020]

約数ペア:

[(1, 18804525020), (2, 9402262510), (4, 4701131255), (5, 3760905004), (10, 1880452502), (20, 940226251)]