19385960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44059}}^1$

素因数の和:44081

約数の個数: 32

約数和(自身を含む): 47584800

約数和(自身を除く): 28198840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44059, 88118, 176236, 220295, 352472, 440590, 484649, 881180, 969298, 1762360, 1938596, 2423245, 3877192, 4846490, 9692980, 19385960]

約数ペア:

[(1, 19385960), (2, 9692980), (4, 4846490), (5, 3877192), (8, 2423245), (10, 1938596), (11, 1762360), (20, 969298), (22, 881180), (40, 484649), (44, 440590), (55, 352472), (88, 220295), (110, 176236), (220, 88118), (440, 44059)]