19127620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30851}}^1$

素因数の和:30891

約数の個数: 24

約数和(自身を含む): 41465088

約数和(自身を除く): 22337468

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30851, 61702, 123404, 154255, 308510, 617020, 956381, 1912762, 3825524, 4781905, 9563810, 19127620]

約数ペア:

[(1, 19127620), (2, 9563810), (4, 4781905), (5, 3825524), (10, 1912762), (20, 956381), (31, 617020), (62, 308510), (124, 154255), (155, 123404), (310, 61702), (620, 30851)]