18488560

素因数分解:

$2^4\times 5^1\times {\mathrm{231107}}^1$

素因数の和:231120

約数の個数: 20

約数和(自身を含む): 42986088

約数和(自身を除く): 24497528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 231107, 462214, 924428, 1155535, 1848856, 2311070, 3697712, 4622140, 9244280, 18488560]

約数ペア:

[(1, 18488560), (2, 9244280), (4, 4622140), (5, 3697712), (8, 2311070), (10, 1848856), (16, 1155535), (20, 924428), (40, 462214), (80, 231107)]