19453016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 39960000

約数和(自身を除く): 20506984

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 443, 499, 886, 998, 1772, 1996, 3544, 3992, 4873, 5489, 9746, 10978, 19492, 21956, 38984, 43912, 221057, 442114, 884228, 1768456, 2431627, 4863254, 9726508, 19453016]

約数ペア:

[(1, 19453016), (2, 9726508), (4, 4863254), (8, 2431627), (11, 1768456), (22, 884228), (44, 442114), (88, 221057), (443, 43912), (499, 38984), (886, 21956), (998, 19492), (1772, 10978), (1996, 9746), (3544, 5489), (3992, 4873)]