19999674

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{7457}}^1$

素因数の和:7614

約数の個数: 24

約数和(自身を含む): 43629300

約数和(自身を除く): 23629626

約数列:

[1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 7457, 14914, 22371, 44742, 67113, 134226, 1111093, 2222186, 3333279, 6666558, 9999837, 19999674]

約数ペア:

[(1, 19999674), (2, 9999837), (3, 6666558), (6, 3333279), (9, 2222186), (18, 1111093), (149, 134226), (298, 67113), (447, 44742), (894, 22371), (1341, 14914), (2682, 7457)]