18883660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20089}}^1$

素因数の和:20145

約数の個数: 24

約数和(自身を含む): 40501440

約数和(自身を除く): 21617780

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20089, 40178, 80356, 100445, 200890, 401780, 944183, 1888366, 3776732, 4720915, 9441830, 18883660]

約数ペア:

[(1, 18883660), (2, 9441830), (4, 4720915), (5, 3776732), (10, 1888366), (20, 944183), (47, 401780), (94, 200890), (188, 100445), (235, 80356), (470, 40178), (940, 20089)]