18660185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2207}}^1$

素因数の和:2320

約数の個数: 16

約数和(自身を含む): 23846400

約数和(自身を除く): 5186215

約数列:

[1, 5, 19, 89, 95, 445, 1691, 2207, 8455, 11035, 41933, 196423, 209665, 982115, 3732037, 18660185]

約数ペア:

[(1, 18660185), (5, 3732037), (19, 982115), (89, 209665), (95, 196423), (445, 41933), (1691, 11035), (2207, 8455)]