20189045510

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10145249}}^1$

素因数の和:10145455

約数の個数: 16

約数和(自身を含む): 36522900000

約数和(自身を除く): 16333854490

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 10145249, 20290498, 50726245, 101452490, 2018904551, 4037809102, 10094522755, 20189045510]

約数ペア:

[(1, 20189045510), (2, 10094522755), (5, 4037809102), (10, 2018904551), (199, 101452490), (398, 50726245), (995, 20290498), (1990, 10145249)]