18002540

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2671}}^1$

素因数の和:3017

約数の個数: 24

約数和(自身を含む): 37931712

約数和(自身を除く): 19929172

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 2671, 3370, 5342, 6740, 10684, 13355, 26710, 53420, 900127, 1800254, 3600508, 4500635, 9001270, 18002540]

約数ペア:

[(1, 18002540), (2, 9001270), (4, 4500635), (5, 3600508), (10, 1800254), (20, 900127), (337, 53420), (674, 26710), (1348, 13355), (1685, 10684), (2671, 6740), (3370, 5342)]