19080261

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1049}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 28828800

約数和(自身を除く): 9748539

約数列:

[1, 3, 9, 43, 47, 129, 141, 387, 423, 1049, 2021, 3147, 6063, 9441, 18189, 45107, 49303, 135321, 147909, 405963, 443727, 2120029, 6360087, 19080261]

約数ペア:

[(1, 19080261), (3, 6360087), (9, 2120029), (43, 443727), (47, 405963), (129, 147909), (141, 135321), (387, 49303), (423, 45107), (1049, 18189), (2021, 9441), (3147, 6063)]