18819933

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{7219}}^1$

素因数の和:7312

約数の個数: 16

約数和(自身を含む): 27724800

約数和(自身を除く): 8904867

約数列:

[1, 3, 11, 33, 79, 237, 869, 2607, 7219, 21657, 79409, 238227, 570301, 1710903, 6273311, 18819933]

約数ペア:

[(1, 18819933), (3, 6273311), (11, 1710903), (33, 570301), (79, 238227), (237, 79409), (869, 21657), (2607, 7219)]