2019907964

素因数分解:

$2^2\times {\mathrm{809}}^1\times {\mathrm{624199}}^1$

素因数の和:625012

約数の個数: 12

約数和(自身を含む): 3539214000

約数和(自身を除く): 1519306036

約数列:

[1, 2, 4, 809, 1618, 3236, 624199, 1248398, 2496796, 504976991, 1009953982, 2019907964]

約数ペア:

[(1, 2019907964), (2, 1009953982), (4, 504976991), (809, 2496796), (1618, 1248398), (3236, 624199)]