19196860

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5303}}^1$

素因数の和:5493

約数の個数: 24

約数和(自身を含む): 40543776

約数和(自身を除く): 21346916

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 5303, 10606, 21212, 26515, 53030, 106060, 959843, 1919686, 3839372, 4799215, 9598430, 19196860]

約数ペア:

[(1, 19196860), (2, 9598430), (4, 4799215), (5, 3839372), (10, 1919686), (20, 959843), (181, 106060), (362, 53030), (724, 26515), (905, 21212), (1810, 10606), (3620, 5303)]