18938876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{823}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 36269184

約数和(自身を除く): 17330308

約数列:

[1, 2, 4, 11, 22, 44, 523, 823, 1046, 1646, 2092, 3292, 5753, 9053, 11506, 18106, 23012, 36212, 430429, 860858, 1721716, 4734719, 9469438, 18938876]

約数ペア:

[(1, 18938876), (2, 9469438), (4, 4734719), (11, 1721716), (22, 860858), (44, 430429), (523, 36212), (823, 23012), (1046, 18106), (1646, 11506), (2092, 9053), (3292, 5753)]