18399445

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 22720320

約数和(自身を除く): 4320875

約数列:

[1, 5, 59, 97, 295, 485, 643, 3215, 5723, 28615, 37937, 62371, 189685, 311855, 3679889, 18399445]

約数ペア:

[(1, 18399445), (5, 3679889), (59, 311855), (97, 189685), (295, 62371), (485, 37937), (643, 28615), (3215, 5723)]