19874080

素因数分解:

$2^5\times 5^1\times {\mathrm{124213}}^1$

素因数の和:124228

約数の個数: 24

約数和(自身を含む): 46952892

約数和(自身を除く): 27078812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 124213, 248426, 496852, 621065, 993704, 1242130, 1987408, 2484260, 3974816, 4968520, 9937040, 19874080]

約数ペア:

[(1, 19874080), (2, 9937040), (4, 4968520), (5, 3974816), (8, 2484260), (10, 1987408), (16, 1242130), (20, 993704), (32, 621065), (40, 496852), (80, 248426), (160, 124213)]