19119580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12101}}^1$

素因数の和:12189

約数の個数: 24

約数和(自身を含む): 40662720

約数和(自身を除く): 21543140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12101, 24202, 48404, 60505, 121010, 242020, 955979, 1911958, 3823916, 4779895, 9559790, 19119580]

約数ペア:

[(1, 19119580), (2, 9559790), (4, 4779895), (5, 3823916), (10, 1911958), (20, 955979), (79, 242020), (158, 121010), (316, 60505), (395, 48404), (790, 24202), (1580, 12101)]