18852705

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9743}}^1$

素因数の和:9797

約数の個数: 24

約数和(自身を含む): 33441408

約数和(自身を除く): 14588703

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 9743, 29229, 48715, 87687, 146145, 418949, 438435, 1256847, 2094745, 3770541, 6284235, 18852705]

約数ペア:

[(1, 18852705), (3, 6284235), (5, 3770541), (9, 2094745), (15, 1256847), (43, 438435), (45, 418949), (129, 146145), (215, 87687), (387, 48715), (645, 29229), (1935, 9743)]