18385520

素因数分解:

$2^4\times 5^1\times {\mathrm{229819}}^1$

素因数の和:229832

約数の個数: 20

約数和(自身を含む): 42746520

約数和(自身を除く): 24361000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229819, 459638, 919276, 1149095, 1838552, 2298190, 3677104, 4596380, 9192760, 18385520]

約数ペア:

[(1, 18385520), (2, 9192760), (4, 4596380), (5, 3677104), (8, 2298190), (10, 1838552), (16, 1149095), (20, 919276), (40, 459638), (80, 229819)]