19774915

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5077}}^1$

素因数の和:5142

約数の個数: 16

約数和(自身を含む): 25593120

約数和(自身を除く): 5818205

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 5077, 25385, 96463, 208157, 482315, 1040785, 3954983, 19774915]

約数ペア:

[(1, 19774915), (5, 3954983), (19, 1040785), (41, 482315), (95, 208157), (205, 96463), (779, 25385), (3895, 5077)]