2019999838

素因数分解:

$2^1\times {\mathrm{419}}^1\times {\mathrm{1009}}^1\times {\mathrm{2389}}^1$

素因数の和:3819

約数の個数: 16

約数和(自身を含む): 3041514000

約数和(自身を除く): 1021514162

約数列:

[1, 2, 419, 838, 1009, 2018, 2389, 4778, 422771, 845542, 1000991, 2001982, 2410501, 4821002, 1009999919, 2019999838]

約数ペア:

[(1, 2019999838), (2, 1009999919), (419, 4821002), (838, 2410501), (1009, 2001982), (2018, 1000991), (2389, 845542), (4778, 422771)]