18089260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129209}}^1$

素因数の和:129225

約数の個数: 24

約数和(自身を含む): 43414560

約数和(自身を除く): 25325300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129209, 258418, 516836, 646045, 904463, 1292090, 1808926, 2584180, 3617852, 4522315, 9044630, 18089260]

約数ペア:

[(1, 18089260), (2, 9044630), (4, 4522315), (5, 3617852), (7, 2584180), (10, 1808926), (14, 1292090), (20, 904463), (28, 646045), (35, 516836), (70, 258418), (140, 129209)]