18221195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4561}}^1$

素因数の和:4630

約数の個数: 16

約数和(自身を含む): 23649408

約数和(自身を除く): 5428213

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 4561, 22805, 77537, 214367, 387685, 1071835, 3644239, 18221195]

約数ペア:

[(1, 18221195), (5, 3644239), (17, 1071835), (47, 387685), (85, 214367), (235, 77537), (799, 22805), (3995, 4561)]