19117684

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 34272000

約数和(自身を除く): 15154316

約数列:

[1, 2, 4, 79, 101, 158, 202, 316, 404, 599, 1198, 2396, 7979, 15958, 31916, 47321, 60499, 94642, 120998, 189284, 241996, 4779421, 9558842, 19117684]

約数ペア:

[(1, 19117684), (2, 9558842), (4, 4779421), (79, 241996), (101, 189284), (158, 120998), (202, 94642), (316, 60499), (404, 47321), (599, 31916), (1198, 15958), (2396, 7979)]