19964956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1459}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 38263680

約数和(自身を除く): 18298724

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 1459, 2918, 3421, 5836, 6842, 13684, 16049, 32098, 64196, 453749, 907498, 1814996, 4991239, 9982478, 19964956]

約数ペア:

[(1, 19964956), (2, 9982478), (4, 4991239), (11, 1814996), (22, 907498), (44, 453749), (311, 64196), (622, 32098), (1244, 16049), (1459, 13684), (2918, 6842), (3421, 5836)]