19478079

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1289}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 29783520

約数和(自身を除く): 10305441

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1289, 1679, 3867, 5037, 11601, 15111, 29647, 88941, 94097, 266823, 282291, 846873, 2164231, 6492693, 19478079]

約数ペア:

[(1, 19478079), (3, 6492693), (9, 2164231), (23, 846873), (69, 282291), (73, 266823), (207, 94097), (219, 88941), (657, 29647), (1289, 15111), (1679, 11601), (3867, 5037)]