18845266

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1811}}^1$

素因数の和:1878

約数の個数: 24

約数和(自身を含む): 31811472

約数和(自身を除く): 12966206

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 1811, 3622, 5203, 10406, 19921, 39842, 77873, 155746, 219131, 438262, 856603, 1713206, 9422633, 18845266]

約数ペア:

[(1, 18845266), (2, 9422633), (11, 1713206), (22, 856603), (43, 438262), (86, 219131), (121, 155746), (242, 77873), (473, 39842), (946, 19921), (1811, 10406), (3622, 5203)]