2019129968

素因数分解:

$2^4\times {\mathrm{1601}}^1\times {\mathrm{78823}}^1$

素因数の和:80432

約数の個数: 20

約数和(自身を含む): 3914557488

約数和(自身を除く): 1895427520

約数列:

[1, 2, 4, 8, 16, 1601, 3202, 6404, 12808, 25616, 78823, 157646, 315292, 630584, 1261168, 126195623, 252391246, 504782492, 1009564984, 2019129968]

約数ペア:

[(1, 2019129968), (2, 1009564984), (4, 504782492), (8, 252391246), (16, 126195623), (1601, 1261168), (3202, 630584), (6404, 315292), (12808, 157646), (25616, 78823)]