2019249208

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{648859}}^1$

素因数の和:649254

約数の個数: 16

約数和(自身を含む): 3795831000

約数和(自身を除く): 1776581792

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 648859, 1297718, 2595436, 5190872, 252406151, 504812302, 1009624604, 2019249208]

約数ペア:

[(1, 2019249208), (2, 1009624604), (4, 504812302), (8, 252406151), (389, 5190872), (778, 2595436), (1556, 1297718), (3112, 648859)]