19871008084

素因数分解:

$2^2\times {\mathrm{43889}}^1\times {\mathrm{113189}}^1$

素因数の和:157082

約数の個数: 12

約数和(自身を含む): 34775363700

約数和(自身を除く): 14904355616

約数列:

[1, 2, 4, 43889, 87778, 113189, 175556, 226378, 452756, 4967752021, 9935504042, 19871008084]

約数ペア:

[(1, 19871008084), (2, 9935504042), (4, 4967752021), (43889, 452756), (87778, 226378), (113189, 175556)]