1811421639

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{2137}}^1\times {\mathrm{4957}}^1$

素因数の和:7119

約数の個数: 24

約数和(自身を含む): 2756053040

約数和(自身を除く): 944631401

約数列:

[1, 3, 9, 19, 57, 171, 2137, 4957, 6411, 14871, 19233, 40603, 44613, 94183, 121809, 282549, 365427, 847647, 10593109, 31779327, 95337981, 201269071, 603807213, 1811421639]

約数ペア:

[(1, 1811421639), (3, 603807213), (9, 201269071), (19, 95337981), (57, 31779327), (171, 10593109), (2137, 847647), (4957, 365427), (6411, 282549), (14871, 121809), (19233, 94183), (40603, 44613)]