19493795

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 4456285

約数列:

[1, 5, 83, 107, 415, 439, 535, 2195, 8881, 36437, 44405, 46973, 182185, 234865, 3898759, 19493795]

約数ペア:

[(1, 19493795), (5, 3898759), (83, 234865), (107, 182185), (415, 46973), (439, 44405), (535, 36437), (2195, 8881)]