18926072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{499}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 19953928

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 431, 499, 862, 998, 1724, 1996, 3448, 3992, 4741, 5489, 9482, 10978, 18964, 21956, 37928, 43912, 215069, 430138, 860276, 1720552, 2365759, 4731518, 9463036, 18926072]

約数ペア:

[(1, 18926072), (2, 9463036), (4, 4731518), (8, 2365759), (11, 1720552), (22, 860276), (44, 430138), (88, 215069), (431, 43912), (499, 37928), (862, 21956), (998, 18964), (1724, 10978), (1996, 9482), (3448, 5489), (3992, 4741)]