2019988795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{781427}}^1$

素因数の和:781490

約数の個数: 16

約数和(自身を含む): 2700615168

約数和(自身を除く): 680626373

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 781427, 3907135, 8595697, 36727069, 42978485, 183635345, 403997759, 2019988795]

約数ペア:

[(1, 2019988795), (5, 403997759), (11, 183635345), (47, 42978485), (55, 36727069), (235, 8595697), (517, 3907135), (2585, 781427)]