20191904678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17881}}^1\times {\mathrm{51329}}^1$

素因数の和:69223

約数の個数: 16

約数和(自身を含む): 33043790160

約数和(自身を除く): 12851885482

約数列:

[1, 2, 11, 22, 17881, 35762, 51329, 102658, 196691, 393382, 564619, 1129238, 917813849, 1835627698, 10095952339, 20191904678]

約数ペア:

[(1, 20191904678), (2, 10095952339), (11, 1835627698), (22, 917813849), (17881, 1129238), (35762, 564619), (51329, 393382), (102658, 196691)]