18820703

素因数分解:

${\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1558

約数の個数: 12

約数和(自身を含む): 20891640

約数和(自身を除く): 2070937

約数列:

[1, 11, 109, 121, 1199, 1427, 13189, 15697, 155543, 172667, 1710973, 18820703]

約数ペア:

[(1, 18820703), (11, 1710973), (109, 172667), (121, 155543), (1199, 15697), (1427, 13189)]