18053260

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2207}}^1$

素因数の和:2625

約数の個数: 24

約数和(自身を含む): 38021760

約数和(自身を除く): 19968500

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 2207, 4090, 4414, 8180, 8828, 11035, 22070, 44140, 902663, 1805326, 3610652, 4513315, 9026630, 18053260]

約数ペア:

[(1, 18053260), (2, 9026630), (4, 4513315), (5, 3610652), (10, 1805326), (20, 902663), (409, 44140), (818, 22070), (1636, 11035), (2045, 8828), (2207, 8180), (4090, 4414)]