12811909

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1039}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 14976000

約数和(自身を除く): 2164091

約数列:

[1, 11, 19, 59, 209, 649, 1039, 1121, 11429, 12331, 19741, 61301, 217151, 674311, 1164719, 12811909]

約数ペア:

[(1, 12811909), (11, 1164719), (19, 674311), (59, 217151), (209, 61301), (649, 19741), (1039, 12331), (1121, 11429)]