19370620

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5351}}^1$

素因数の和:5541

約数の個数: 24

約数和(自身を含む): 40910688

約数和(自身を除く): 21540068

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 5351, 10702, 21404, 26755, 53510, 107020, 968531, 1937062, 3874124, 4842655, 9685310, 19370620]

約数ペア:

[(1, 19370620), (2, 9685310), (4, 4842655), (5, 3874124), (10, 1937062), (20, 968531), (181, 107020), (362, 53510), (724, 26755), (905, 21404), (1810, 10702), (3620, 5351)]