2019121340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{770657}}^1$

素因数の和:770797

約数の個数: 24

約数和(自身を含む): 4272527952

約数和(自身を除く): 2253406612

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 770657, 1541314, 3082628, 3853285, 7706570, 15413140, 100956067, 201912134, 403824268, 504780335, 1009560670, 2019121340]

約数ペア:

[(1, 2019121340), (2, 1009560670), (4, 504780335), (5, 403824268), (10, 201912134), (20, 100956067), (131, 15413140), (262, 7706570), (524, 3853285), (655, 3082628), (1310, 1541314), (2620, 770657)]