19542215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 29500416

約数和(自身を除く): 9958201

約数列:

[1, 5, 7, 11, 35, 55, 77, 193, 263, 385, 965, 1315, 1351, 1841, 2123, 2893, 6755, 9205, 10615, 14465, 14861, 20251, 50759, 74305, 101255, 253795, 355313, 558349, 1776565, 2791745, 3908443, 19542215]

約数ペア:

[(1, 19542215), (5, 3908443), (7, 2791745), (11, 1776565), (35, 558349), (55, 355313), (77, 253795), (193, 101255), (263, 74305), (385, 50759), (965, 20251), (1315, 14861), (1351, 14465), (1841, 10615), (2123, 9205), (2893, 6755)]