18904193

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{2029}}^1$

素因数の和:2069

約数の個数: 16

約数和(自身を含む): 23775360

約数和(自身を除く): 4871167

約数列:

[1, 7, 11, 77, 121, 847, 1331, 2029, 9317, 14203, 22319, 156233, 245509, 1718563, 2700599, 18904193]

約数ペア:

[(1, 18904193), (7, 2700599), (11, 1718563), (77, 245509), (121, 156233), (847, 22319), (1331, 14203), (2029, 9317)]