18921249

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{30469}}^1$

素因数の和:30501

約数の個数: 16

約数和(自身を含む): 29251200

約数和(自身を除く): 10329951

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 30469, 91407, 274221, 700787, 822663, 2102361, 6307083, 18921249]

約数ペア:

[(1, 18921249), (3, 6307083), (9, 2102361), (23, 822663), (27, 700787), (69, 274221), (207, 91407), (621, 30469)]