19765810

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1069}}^1$

素因数の和:1162

約数の個数: 24

約数和(自身を含む): 36459180

約数和(自身を除く): 16693370

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1069, 1849, 2138, 3698, 5345, 9245, 10690, 18490, 45967, 91934, 229835, 459670, 1976581, 3953162, 9882905, 19765810]

約数ペア:

[(1, 19765810), (2, 9882905), (5, 3953162), (10, 1976581), (43, 459670), (86, 229835), (215, 91934), (430, 45967), (1069, 18490), (1849, 10690), (2138, 9245), (3698, 5345)]