18112540

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1021}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 38116512

約数和(自身を除く): 20003972

約数列:

[1, 2, 4, 5, 10, 20, 887, 1021, 1774, 2042, 3548, 4084, 4435, 5105, 8870, 10210, 17740, 20420, 905627, 1811254, 3622508, 4528135, 9056270, 18112540]

約数ペア:

[(1, 18112540), (2, 9056270), (4, 4528135), (5, 3622508), (10, 1811254), (20, 905627), (887, 20420), (1021, 17740), (1774, 10210), (2042, 8870), (3548, 5105), (4084, 4435)]