19735359

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6761}}^1$

素因数の和:6910

約数の個数: 16

約数和(自身を含む): 30293760

約数和(自身を除く): 10558401

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6761, 20283, 47327, 141981, 939779, 2819337, 6578453, 19735359]

約数ペア:

[(1, 19735359), (3, 6578453), (7, 2819337), (21, 939779), (139, 141981), (417, 47327), (973, 20283), (2919, 6761)]