18797860

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2789}}^1$

素因数の和:3135

約数の個数: 24

約数和(自身を含む): 39606840

約数和(自身を除く): 20808980

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 2789, 3370, 5578, 6740, 11156, 13945, 27890, 55780, 939893, 1879786, 3759572, 4699465, 9398930, 18797860]

約数ペア:

[(1, 18797860), (2, 9398930), (4, 4699465), (5, 3759572), (10, 1879786), (20, 939893), (337, 55780), (674, 27890), (1348, 13945), (1685, 11156), (2789, 6740), (3370, 5578)]