18171040

素因数分解:

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

素因数の和:689

約数の個数: 36

約数和(自身を含む): 43056846

約数和(自身を除く): 24885806

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 337, 674, 1348, 1685, 2696, 3370, 5392, 6740, 10784, 13480, 26960, 53920, 113569, 227138, 454276, 567845, 908552, 1135690, 1817104, 2271380, 3634208, 4542760, 9085520, 18171040]

約数ペア:

[(1, 18171040), (2, 9085520), (4, 4542760), (5, 3634208), (8, 2271380), (10, 1817104), (16, 1135690), (20, 908552), (32, 567845), (40, 454276), (80, 227138), (160, 113569), (337, 53920), (674, 26960), (1348, 13480), (1685, 10784), (2696, 6740), (3370, 5392)]