18686135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4049}}^1$

素因数の和:4138

約数の個数: 16

約数和(自身を含む): 24494400

約数和(自身を除く): 5808265

約数列:

[1, 5, 13, 65, 71, 355, 923, 4049, 4615, 20245, 52637, 263185, 287479, 1437395, 3737227, 18686135]

約数ペア:

[(1, 18686135), (5, 3737227), (13, 1437395), (65, 287479), (71, 263185), (355, 52637), (923, 20245), (4049, 4615)]