18357689

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 21795840

約数和(自身を除く): 3438151

約数列:

[1, 7, 43, 71, 301, 497, 859, 3053, 6013, 21371, 36937, 60989, 258559, 426923, 2622527, 18357689]

約数ペア:

[(1, 18357689), (7, 2622527), (43, 426923), (71, 258559), (301, 60989), (497, 36937), (859, 21371), (3053, 6013)]