18467945

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:1024

約数の個数: 16

約数和(自身を含む): 22913280

約数和(自身を除く): 4445335

約数列:

[1, 5, 47, 89, 235, 445, 883, 4183, 4415, 20915, 41501, 78587, 207505, 392935, 3693589, 18467945]

約数ペア:

[(1, 18467945), (5, 3693589), (47, 392935), (89, 207505), (235, 78587), (445, 41501), (883, 20915), (4183, 4415)]