18164360

素因数分解:

$2^3\times 5^1\times {\mathrm{454109}}^1$

素因数の和:454120

約数の個数: 16

約数和(自身を含む): 40869900

約数和(自身を除く): 22705540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 454109, 908218, 1816436, 2270545, 3632872, 4541090, 9082180, 18164360]

約数ペア:

[(1, 18164360), (2, 9082180), (4, 4541090), (5, 3632872), (8, 2270545), (10, 1816436), (20, 908218), (40, 454109)]