18144080

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{673}}^1$

素因数の和:1023

約数の個数: 40

約数和(自身を含む): 42373032

約数和(自身を除く): 24228952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 673, 674, 1346, 1348, 1685, 2692, 2696, 3365, 3370, 5384, 5392, 6730, 6740, 10768, 13460, 13480, 26920, 26960, 53840, 226801, 453602, 907204, 1134005, 1814408, 2268010, 3628816, 4536020, 9072040, 18144080]

約数ペア:

[(1, 18144080), (2, 9072040), (4, 4536020), (5, 3628816), (8, 2268010), (10, 1814408), (16, 1134005), (20, 907204), (40, 453602), (80, 226801), (337, 53840), (673, 26960), (674, 26920), (1346, 13480), (1348, 13460), (1685, 10768), (2692, 6740), (2696, 6730), (3365, 5392), (3370, 5384)]