19258448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109423}}^1$

素因数の和:109442

約数の個数: 20

約数和(自身を含む): 40705728

約数和(自身を除く): 21447280

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109423, 218846, 437692, 875384, 1203653, 1750768, 2407306, 4814612, 9629224, 19258448]

約数ペア:

[(1, 19258448), (2, 9629224), (4, 4814612), (8, 2407306), (11, 1750768), (16, 1203653), (22, 875384), (44, 437692), (88, 218846), (176, 109423)]