19740069

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{479}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 30201600

約数和(自身を除く): 10461531

約数列:

[1, 3, 9, 19, 57, 171, 241, 479, 723, 1437, 2169, 4311, 4579, 9101, 13737, 27303, 41211, 81909, 115439, 346317, 1038951, 2193341, 6580023, 19740069]

約数ペア:

[(1, 19740069), (3, 6580023), (9, 2193341), (19, 1038951), (57, 346317), (171, 115439), (241, 81909), (479, 41211), (723, 27303), (1437, 13737), (2169, 9101), (4311, 4579)]