18327290

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4481}}^1$

素因数の和:4897

約数の個数: 16

約数和(自身を含む): 33077160

約数和(自身を除く): 14749870

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4481, 8962, 22405, 44810, 1832729, 3665458, 9163645, 18327290]

約数ペア:

[(1, 18327290), (2, 9163645), (5, 3665458), (10, 1832729), (409, 44810), (818, 22405), (2045, 8962), (4090, 4481)]