18228651

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28001}}^1$

素因数の和:28042

約数の個数: 16

約数和(自身を含む): 28674048

約数和(自身を除く): 10445397

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 28001, 84003, 196007, 588021, 868031, 2604093, 6076217, 18228651]

約数ペア:

[(1, 18228651), (3, 6076217), (7, 2604093), (21, 868031), (31, 588021), (93, 196007), (217, 84003), (651, 28001)]