19986032

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113557}}^1$

素因数の和:113576

約数の個数: 20

約数和(自身を含む): 42243576

約数和(自身を除く): 22257544

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113557, 227114, 454228, 908456, 1249127, 1816912, 2498254, 4996508, 9993016, 19986032]

約数ペア:

[(1, 19986032), (2, 9993016), (4, 4996508), (8, 2498254), (11, 1816912), (16, 1249127), (22, 908456), (44, 454228), (88, 227114), (176, 113557)]