18943276

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{39139}}^1$

素因数の和:39165

約数の個数: 18

約数和(自身を含む): 36439340

約数和(自身を除く): 17496064

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 39139, 78278, 156556, 430529, 861058, 1722116, 4735819, 9471638, 18943276]

約数ペア:

[(1, 18943276), (2, 9471638), (4, 4735819), (11, 1722116), (22, 861058), (44, 430529), (121, 156556), (242, 78278), (484, 39139)]