19217620

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1583}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 40449024

約数和(自身を除く): 21231404

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 1583, 2428, 3035, 3166, 6070, 6332, 7915, 12140, 15830, 31660, 960881, 1921762, 3843524, 4804405, 9608810, 19217620]

約数ペア:

[(1, 19217620), (2, 9608810), (4, 4804405), (5, 3843524), (10, 1921762), (20, 960881), (607, 31660), (1214, 15830), (1583, 12140), (2428, 7915), (3035, 6332), (3166, 6070)]