19112081

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 20856000

約数和(自身を除く): 1743919

約数列:

[1, 19, 43, 149, 157, 817, 2831, 2983, 6407, 6751, 23393, 121733, 128269, 444467, 1005899, 19112081]

約数ペア:

[(1, 19112081), (19, 1005899), (43, 444467), (149, 128269), (157, 121733), (817, 23393), (2831, 6751), (2983, 6407)]