18710188

素因数分解:

$2^2\times 7^1\times {\mathrm{668221}}^1$

素因数の和:668232

約数の個数: 12

約数和(自身を含む): 37420432

約数和(自身を除く): 18710244

約数列:

[1, 2, 4, 7, 14, 28, 668221, 1336442, 2672884, 4677547, 9355094, 18710188]

約数ペア:

[(1, 18710188), (2, 9355094), (4, 4677547), (7, 2672884), (14, 1336442), (28, 668221)]