18289565

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3989}}^1$

素因数の和:4132

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 6991075

約数列:

[1, 5, 7, 35, 131, 655, 917, 3989, 4585, 19945, 27923, 139615, 522559, 2612795, 3657913, 18289565]

約数ペア:

[(1, 18289565), (5, 3657913), (7, 2612795), (35, 522559), (131, 139615), (655, 27923), (917, 19945), (3989, 4585)]