18879289

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 23087232

約数和(自身を除く): 4207943

約数列:

[1, 11, 13, 47, 53, 143, 517, 583, 611, 689, 2491, 2809, 6721, 7579, 27401, 30899, 32383, 36517, 132023, 356213, 401687, 1452253, 1716299, 18879289]

約数ペア:

[(1, 18879289), (11, 1716299), (13, 1452253), (47, 401687), (53, 356213), (143, 132023), (517, 36517), (583, 32383), (611, 30899), (689, 27401), (2491, 7579), (2809, 6721)]