18910307

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2158

約数の個数: 16

約数和(自身を含む): 22099392

約数和(自身を除く): 3189085

約数列:

[1, 13, 17, 41, 221, 533, 697, 2087, 9061, 27131, 35479, 85567, 461227, 1112371, 1454639, 18910307]

約数ペア:

[(1, 18910307), (13, 1454639), (17, 1112371), (41, 461227), (221, 85567), (533, 35479), (697, 27131), (2087, 9061)]