19888661

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{757}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 22412544

約数和(自身を除く): 2523883

約数列:

[1, 13, 43, 47, 559, 611, 757, 2021, 9841, 26273, 32551, 35579, 423163, 462527, 1529897, 19888661]

約数ペア:

[(1, 19888661), (13, 1529897), (43, 462527), (47, 423163), (559, 35579), (611, 32551), (757, 26273), (2021, 9841)]