18135215

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{27271}}^1$

素因数の和:27302

約数の個数: 16

約数和(自身を含む): 26181120

約数和(自身を除く): 8045905

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 27271, 136355, 190897, 518149, 954485, 2590745, 3627043, 18135215]

約数ペア:

[(1, 18135215), (5, 3627043), (7, 2590745), (19, 954485), (35, 518149), (95, 190897), (133, 136355), (665, 27271)]