19804037

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 22334400

約数和(自身を除く): 2530363

約数列:

[1, 11, 43, 149, 281, 473, 1639, 3091, 6407, 12083, 41869, 70477, 132913, 460559, 1800367, 19804037]

約数ペア:

[(1, 19804037), (11, 1800367), (43, 460559), (149, 132913), (281, 70477), (473, 41869), (1639, 12083), (3091, 6407)]