18598220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5923}}^1$

素因数の和:6089

約数の個数: 24

約数和(自身を含む): 39311664

約数和(自身を除く): 20713444

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 5923, 11846, 23692, 29615, 59230, 118460, 929911, 1859822, 3719644, 4649555, 9299110, 18598220]

約数ペア:

[(1, 18598220), (2, 9299110), (4, 4649555), (5, 3719644), (10, 1859822), (20, 929911), (157, 118460), (314, 59230), (628, 29615), (785, 23692), (1570, 11846), (3140, 5923)]