19963433

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 25089120

約数和(自身を除く): 5125687

約数列:

[1, 7, 19, 41, 49, 133, 287, 523, 779, 931, 2009, 3661, 5453, 9937, 21443, 25627, 38171, 69559, 150101, 407417, 486913, 1050707, 2851919, 19963433]

約数ペア:

[(1, 19963433), (7, 2851919), (19, 1050707), (41, 486913), (49, 407417), (133, 150101), (287, 69559), (523, 38171), (779, 25627), (931, 21443), (2009, 9937), (3661, 5453)]