16439845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1476

約数の個数: 16

約数和(自身を含む): 20940480

約数和(自身を除く): 4500635

約数列:

[1, 5, 19, 95, 131, 655, 1321, 2489, 6605, 12445, 25099, 125495, 173051, 865255, 3287969, 16439845]

約数ペア:

[(1, 16439845), (5, 3287969), (19, 865255), (95, 173051), (131, 125495), (655, 25099), (1321, 12445), (2489, 6605)]