19500844

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1006

約数の個数: 36

約数和(自身を含む): 38424232

約数和(自身を除く): 18923388

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 937, 946, 1874, 1892, 3748, 5203, 10307, 10406, 20614, 20812, 40291, 41228, 80582, 113377, 161164, 226754, 443201, 453508, 886402, 1772804, 4875211, 9750422, 19500844]

約数ペア:

[(1, 19500844), (2, 9750422), (4, 4875211), (11, 1772804), (22, 886402), (43, 453508), (44, 443201), (86, 226754), (121, 161164), (172, 113377), (242, 80582), (473, 41228), (484, 40291), (937, 20812), (946, 20614), (1874, 10406), (1892, 10307), (3748, 5203)]