19841795

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{631}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 25178880

約数和(自身を除く): 5337085

約数列:

[1, 5, 19, 95, 331, 631, 1655, 3155, 6289, 11989, 31445, 59945, 208861, 1044305, 3968359, 19841795]

約数ペア:

[(1, 19841795), (5, 3968359), (19, 1044305), (95, 208861), (331, 59945), (631, 31445), (1655, 11989), (3155, 6289)]