19961385

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12437}}^1$

素因数の和:12552

約数の個数: 16

約数和(自身を含む): 32239296

約数和(自身を除く): 12277911

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 12437, 37311, 62185, 186555, 1330759, 3992277, 6653795, 19961385]

約数ペア:

[(1, 19961385), (3, 6653795), (5, 3992277), (15, 1330759), (107, 186555), (321, 62185), (535, 37311), (1605, 12437)]