19805915

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{709}}^1$

素因数の和:902

約数の個数: 16

約数和(自身を含む): 24605760

約数和(自身を除く): 4799845

約数列:

[1, 5, 37, 151, 185, 709, 755, 3545, 5587, 26233, 27935, 107059, 131165, 535295, 3961183, 19805915]

約数ペア:

[(1, 19805915), (5, 3961183), (37, 535295), (151, 131165), (185, 107059), (709, 27935), (755, 26233), (3545, 5587)]