19689219

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8647}}^1$

素因数の和:8687

約数の個数: 24

約数和(自身を含む): 32378112

約数和(自身を除く): 12688893

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 8647, 25941, 77823, 95117, 198881, 285351, 596643, 856053, 1789929, 2187691, 6563073, 19689219]

約数ペア:

[(1, 19689219), (3, 6563073), (9, 2187691), (11, 1789929), (23, 856053), (33, 596643), (69, 285351), (99, 198881), (207, 95117), (253, 77823), (759, 25941), (2277, 8647)]