18964495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{691}}^1$

素因数の和:1206

約数の個数: 16

約数和(自身を含む): 24912000

約数和(自身を除く): 5947505

約数列:

[1, 5, 11, 55, 499, 691, 2495, 3455, 5489, 7601, 27445, 38005, 344809, 1724045, 3792899, 18964495]

約数ペア:

[(1, 18964495), (5, 3792899), (11, 1724045), (55, 344809), (499, 38005), (691, 27445), (2495, 7601), (3455, 5489)]