19744432

素因数分解:

$2^4\times {\mathrm{499}}^1\times {\mathrm{2473}}^1$

素因数の和:2980

約数の個数: 20

約数和(自身を含む): 38347000

約数和(自身を除く): 18602568

約数列:

[1, 2, 4, 8, 16, 499, 998, 1996, 2473, 3992, 4946, 7984, 9892, 19784, 39568, 1234027, 2468054, 4936108, 9872216, 19744432]

約数ペア:

[(1, 19744432), (2, 9872216), (4, 4936108), (8, 2468054), (16, 1234027), (499, 39568), (998, 19784), (1996, 9892), (2473, 7984), (3992, 4946)]