18537379

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1187}}^1$

素因数の和:1314

約数の個数: 16

約数和(自身を含む): 22353408

約数和(自身を除く): 3816029

約数列:

[1, 7, 23, 97, 161, 679, 1187, 2231, 8309, 15617, 27301, 115139, 191107, 805973, 2648197, 18537379]

約数ペア:

[(1, 18537379), (7, 2648197), (23, 805973), (97, 191107), (161, 115139), (679, 27301), (1187, 15617), (2231, 8309)]