18672199

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6619}}^1$

素因数の和:6670

約数の個数: 16

約数和(自身を含む): 23726080

約数和(自身を除く): 5053881

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 6619, 46333, 86047, 205189, 602329, 1436323, 2667457, 18672199]

約数ペア:

[(1, 18672199), (7, 2667457), (13, 1436323), (31, 602329), (91, 205189), (217, 86047), (403, 46333), (2821, 6619)]