16988191

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:926

約数の個数: 16

約数和(自身を含む): 19595520

約数和(自身を除く): 2607329

約数列:

[1, 11, 23, 83, 253, 809, 913, 1909, 8899, 18607, 20999, 67147, 204677, 738617, 1544381, 16988191]

約数ペア:

[(1, 16988191), (11, 1544381), (23, 738617), (83, 204677), (253, 67147), (809, 20999), (913, 18607), (1909, 8899)]