18889720648

素因数分解:

$2^3\times {\mathrm{3529}}^1\times {\mathrm{669089}}^1$

素因数の和:672624

約数の個数: 16

約数和(自身を含む): 35428315500

約数和(自身を除く): 16538594852

約数列:

[1, 2, 4, 8, 3529, 7058, 14116, 28232, 669089, 1338178, 2676356, 5352712, 2361215081, 4722430162, 9444860324, 18889720648]

約数ペア:

[(1, 18889720648), (2, 9444860324), (4, 4722430162), (8, 2361215081), (3529, 5352712), (7058, 2676356), (14116, 1338178), (28232, 669089)]