19612957

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 24770880

約数和(自身を除く): 5157923

約数列:

[1, 7, 13, 59, 91, 169, 281, 413, 767, 1183, 1967, 3653, 5369, 9971, 16579, 25571, 47489, 69797, 116053, 215527, 332423, 1508689, 2801851, 19612957]

約数ペア:

[(1, 19612957), (7, 2801851), (13, 1508689), (59, 332423), (91, 215527), (169, 116053), (281, 69797), (413, 47489), (767, 25571), (1183, 16579), (1967, 9971), (3653, 5369)]