18389816

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{5189}}^1$

素因数の和:5638

約数の個数: 16

約数和(自身を含む): 34565400

約数和(自身を除く): 16175584

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 5189, 10378, 20756, 41512, 2298727, 4597454, 9194908, 18389816]

約数ペア:

[(1, 18389816), (2, 9194908), (4, 4597454), (8, 2298727), (443, 41512), (886, 20756), (1772, 10378), (3544, 5189)]