18145115

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:802

約数の個数: 16

約数和(自身を含む): 22394880

約数和(自身を除く): 4249765

約数列:

[1, 5, 71, 79, 355, 395, 647, 3235, 5609, 28045, 45937, 51113, 229685, 255565, 3629023, 18145115]

約数ペア:

[(1, 18145115), (5, 3629023), (71, 255565), (79, 229685), (355, 51113), (395, 45937), (647, 28045), (3235, 5609)]