19407580

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1583}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 40848192

約数和(自身を除く): 21440612

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 1583, 2452, 3065, 3166, 6130, 6332, 7915, 12260, 15830, 31660, 970379, 1940758, 3881516, 4851895, 9703790, 19407580]

約数ペア:

[(1, 19407580), (2, 9703790), (4, 4851895), (5, 3881516), (10, 1940758), (20, 970379), (613, 31660), (1226, 15830), (1583, 12260), (2452, 7915), (3065, 6332), (3166, 6130)]