16993885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4363}}^1$

素因数の和:4428

約数の個数: 16

約数和(自身を含む): 21994560

約数和(自身を除く): 5000675

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 4363, 21815, 82897, 178883, 414485, 894415, 3398777, 16993885]

約数ペア:

[(1, 16993885), (5, 3398777), (19, 894415), (41, 414485), (95, 178883), (205, 82897), (779, 21815), (3895, 4363)]