19205548

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 34673184

約数和(自身を除く): 15467636

約数列:

[1, 2, 4, 41, 82, 164, 181, 362, 647, 724, 1294, 2588, 7421, 14842, 26527, 29684, 53054, 106108, 117107, 234214, 468428, 4801387, 9602774, 19205548]

約数ペア:

[(1, 19205548), (2, 9602774), (4, 4801387), (41, 468428), (82, 234214), (164, 117107), (181, 106108), (362, 53054), (647, 29684), (724, 26527), (1294, 14842), (2588, 7421)]