2019021808

素因数分解:

$2^4\times {\mathrm{5107}}^1\times {\mathrm{24709}}^1$

素因数の和:29824

約数の個数: 20

約数和(自身を含む): 3912779080

約数和(自身を除く): 1893757272

約数列:

[1, 2, 4, 8, 16, 5107, 10214, 20428, 24709, 40856, 49418, 81712, 98836, 197672, 395344, 126188863, 252377726, 504755452, 1009510904, 2019021808]

約数ペア:

[(1, 2019021808), (2, 1009510904), (4, 504755452), (8, 252377726), (16, 126188863), (5107, 395344), (10214, 197672), (20428, 98836), (24709, 81712), (40856, 49418)]