19684269

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 32071680

約数和(自身を除く): 12387411

約数列:

[1, 3, 9, 11, 27, 33, 99, 191, 297, 347, 573, 1041, 1719, 2101, 3123, 3817, 5157, 6303, 9369, 11451, 18909, 34353, 56727, 66277, 103059, 198831, 596493, 729047, 1789479, 2187141, 6561423, 19684269]

約数ペア:

[(1, 19684269), (3, 6561423), (9, 2187141), (11, 1789479), (27, 729047), (33, 596493), (99, 198831), (191, 103059), (297, 66277), (347, 56727), (573, 34353), (1041, 18909), (1719, 11451), (2101, 9369), (3123, 6303), (3817, 5157)]