18885160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67447}}^1$

素因数の和:67465

約数の個数: 32

約数和(自身を含む): 48562560

約数和(自身を除く): 29677400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67447, 134894, 269788, 337235, 472129, 539576, 674470, 944258, 1348940, 1888516, 2360645, 2697880, 3777032, 4721290, 9442580, 18885160]

約数ペア:

[(1, 18885160), (2, 9442580), (4, 4721290), (5, 3777032), (7, 2697880), (8, 2360645), (10, 1888516), (14, 1348940), (20, 944258), (28, 674470), (35, 539576), (40, 472129), (56, 337235), (70, 269788), (140, 134894), (280, 67447)]