19933459

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4133}}^1$

素因数の和:4206

約数の個数: 16

約数和(自身を含む): 25002432

約数和(自身を除く): 5068973

約数列:

[1, 7, 13, 53, 91, 371, 689, 4133, 4823, 28931, 53729, 219049, 376103, 1533343, 2847637, 19933459]

約数ペア:

[(1, 19933459), (7, 2847637), (13, 1533343), (53, 376103), (91, 219049), (371, 53729), (689, 28931), (4133, 4823)]