19419291

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31271}}^1$

素因数の和:31303

約数の個数: 16

約数和(自身を含む): 30021120

約数和(自身を除く): 10601829

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 31271, 93813, 281439, 719233, 844317, 2157699, 6473097, 19419291]

約数ペア:

[(1, 19419291), (3, 6473097), (9, 2157699), (23, 844317), (27, 719233), (69, 281439), (207, 93813), (621, 31271)]