19872039

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2143}}^1$

素因数の和:2438

約数の個数: 16

約数和(自身を含む): 29021184

約数和(自身を除く): 9149145

約数列:

[1, 3, 11, 33, 281, 843, 2143, 3091, 6429, 9273, 23573, 70719, 602183, 1806549, 6624013, 19872039]

約数ペア:

[(1, 19872039), (3, 6624013), (11, 1806549), (33, 602183), (281, 70719), (843, 23573), (2143, 9273), (3091, 6429)]