18813020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{25423}}^1$

素因数の和:25469

約数の個数: 24

約数和(自身を含む): 40576704

約数和(自身を除く): 21763684

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 25423, 50846, 101692, 127115, 254230, 508460, 940651, 1881302, 3762604, 4703255, 9406510, 18813020]

約数ペア:

[(1, 18813020), (2, 9406510), (4, 4703255), (5, 3762604), (10, 1881302), (20, 940651), (37, 508460), (74, 254230), (148, 127115), (185, 101692), (370, 50846), (740, 25423)]