19567636

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40429}}^1$

素因数の和:40455

約数の個数: 18

約数和(自身を含む): 37640330

約数和(自身を除く): 18072694

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40429, 80858, 161716, 444719, 889438, 1778876, 4891909, 9783818, 19567636]

約数ペア:

[(1, 19567636), (2, 9783818), (4, 4891909), (11, 1778876), (22, 889438), (44, 444719), (121, 161716), (242, 80858), (484, 40429)]