19706642

素因数分解:

$2^1\times {\mathrm{43}}^2\times {\mathrm{73}}^2$

素因数の和:234

約数の個数: 18

約数和(自身を含む): 30683637

約数和(自身を除く): 10976995

約数列:

[1, 2, 43, 73, 86, 146, 1849, 3139, 3698, 5329, 6278, 10658, 134977, 229147, 269954, 458294, 9853321, 19706642]

約数ペア:

[(1, 19706642), (2, 9853321), (43, 458294), (73, 269954), (86, 229147), (146, 134977), (1849, 10658), (3139, 6278), (3698, 5329)]