19882852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1453}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 38106432

約数和(自身を除く): 18223580

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 1453, 2906, 3421, 5812, 6842, 13684, 15983, 31966, 63932, 451883, 903766, 1807532, 4970713, 9941426, 19882852]

約数ペア:

[(1, 19882852), (2, 9941426), (4, 4970713), (11, 1807532), (22, 903766), (44, 451883), (311, 63932), (622, 31966), (1244, 15983), (1453, 13684), (2906, 6842), (3421, 5812)]