19510172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{443413}}^1$

素因数の和:443428

約数の個数: 12

約数和(自身を含む): 37246776

約数和(自身を除く): 17736604

約数列:

[1, 2, 4, 11, 22, 44, 443413, 886826, 1773652, 4877543, 9755086, 19510172]

約数ペア:

[(1, 19510172), (2, 9755086), (4, 4877543), (11, 1773652), (22, 886826), (44, 443413)]