19717137

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{719}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 31224960

約数和(自身を除く): 11507823

約数列:

[1, 3, 9, 11, 33, 99, 277, 719, 831, 2157, 2493, 3047, 6471, 7909, 9141, 23727, 27423, 71181, 199163, 597489, 1792467, 2190793, 6572379, 19717137]

約数ペア:

[(1, 19717137), (3, 6572379), (9, 2190793), (11, 1792467), (33, 597489), (99, 199163), (277, 71181), (719, 27423), (831, 23727), (2157, 9141), (2493, 7909), (3047, 6471)]