19664941

素因数分解:

${\mathrm{47}}^1\times {\mathrm{71}}^2\times {\mathrm{83}}^1$

素因数の和:272

約数の個数: 12

約数和(自身を含む): 20615616

約数和(自身を除く): 950675

約数列:

[1, 47, 71, 83, 3337, 3901, 5041, 5893, 236927, 276971, 418403, 19664941]

約数ペア:

[(1, 19664941), (47, 418403), (71, 276971), (83, 236927), (3337, 5893), (3901, 5041)]