19478637

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 29615040

約数和(自身を除く): 10136403

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 1129, 1917, 3387, 5751, 10161, 17253, 30483, 80159, 91449, 240477, 274347, 721431, 2164293, 6492879, 19478637]

約数ペア:

[(1, 19478637), (3, 6492879), (9, 2164293), (27, 721431), (71, 274347), (81, 240477), (213, 91449), (243, 80159), (639, 30483), (1129, 17253), (1917, 10161), (3387, 5751)]