18722619

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1063}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 28770560

約数和(自身を除く): 10047941

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 927, 1063, 1957, 3189, 5871, 9567, 17613, 20197, 60591, 109489, 181773, 328467, 985401, 2080291, 6240873, 18722619]

約数ペア:

[(1, 18722619), (3, 6240873), (9, 2080291), (19, 985401), (57, 328467), (103, 181773), (171, 109489), (309, 60591), (927, 20197), (1063, 17613), (1957, 9567), (3189, 5871)]