18020387

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 23256000

約数和(自身を除く): 5235613

約数列:

[1, 7, 11, 49, 67, 77, 469, 499, 539, 737, 3283, 3493, 5159, 5489, 24451, 33433, 36113, 38423, 234031, 268961, 367763, 1638217, 2574341, 18020387]

約数ペア:

[(1, 18020387), (7, 2574341), (11, 1638217), (49, 367763), (67, 268961), (77, 234031), (469, 38423), (499, 36113), (539, 33433), (737, 24451), (3283, 5489), (3493, 5159)]