19853181

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{1871}}^1$

素因数の和:2014

約数の個数: 20

約数和(自身を含む): 29899584

約数和(自身を除く): 10046403

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 1871, 3537, 5613, 10611, 16839, 50517, 151551, 245101, 735303, 2205909, 6617727, 19853181]

約数ペア:

[(1, 19853181), (3, 6617727), (9, 2205909), (27, 735303), (81, 245101), (131, 151551), (393, 50517), (1179, 16839), (1871, 10611), (3537, 5613)]