18113140

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2063}}^1$

素因数の和:2511

約数の個数: 24

約数和(自身を含む): 38142720

約数和(自身を除く): 20029580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2063, 2195, 4126, 4390, 8252, 8780, 10315, 20630, 41260, 905657, 1811314, 3622628, 4528285, 9056570, 18113140]

約数ペア:

[(1, 18113140), (2, 9056570), (4, 4528285), (5, 3622628), (10, 1811314), (20, 905657), (439, 41260), (878, 20630), (1756, 10315), (2063, 8780), (2195, 8252), (4126, 4390)]