18556641

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{16763}}^1$

素因数の和:16813

約数の個数: 16

約数和(自身を含む): 28163520

約数和(自身を除く): 9606879

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 16763, 50289, 150867, 452601, 687283, 2061849, 6185547, 18556641]

約数ペア:

[(1, 18556641), (3, 6185547), (9, 2061849), (27, 687283), (41, 452601), (123, 150867), (369, 50289), (1107, 16763)]