19860109

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{467}}^1$

素因数の和:576

約数の個数: 12

約数和(自身を含む): 21262176

約数和(自身を除く): 1402067

約数列:

[1, 23, 43, 467, 989, 1849, 10741, 20081, 42527, 461863, 863483, 19860109]

約数ペア:

[(1, 19860109), (23, 863483), (43, 461863), (467, 42527), (989, 20081), (1849, 10741)]