19976885210

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2015831}}^1$

素因数の和:2016829

約数の個数: 16

約数和(自身を含む): 35994696192

約数和(自身を除く): 16017810982

約数列:

[1, 2, 5, 10, 991, 1982, 4955, 9910, 2015831, 4031662, 10079155, 20158310, 1997688521, 3995377042, 9988442605, 19976885210]

約数ペア:

[(1, 19976885210), (2, 9988442605), (5, 3995377042), (10, 1997688521), (991, 20158310), (1982, 10079155), (4955, 4031662), (9910, 2015831)]