18770297

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{659}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 23210880

約数和(自身を除く): 4440583

約数列:

[1, 7, 13, 91, 313, 659, 2191, 4069, 4613, 8567, 28483, 59969, 206267, 1443869, 2681471, 18770297]

約数ペア:

[(1, 18770297), (7, 2681471), (13, 1443869), (91, 206267), (313, 59969), (659, 28483), (2191, 8567), (4069, 4613)]