19727279

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 24675840

約数和(自身を除く): 4948561

約数列:

[1, 11, 13, 29, 67, 71, 143, 319, 377, 737, 781, 871, 923, 1943, 2059, 4147, 4757, 9581, 10153, 21373, 22649, 25259, 26767, 52327, 61841, 137953, 277849, 294437, 680251, 1517483, 1793389, 19727279]

約数ペア:

[(1, 19727279), (11, 1793389), (13, 1517483), (29, 680251), (67, 294437), (71, 277849), (143, 137953), (319, 61841), (377, 52327), (737, 26767), (781, 25259), (871, 22649), (923, 21373), (1943, 10153), (2059, 9581), (4147, 4757)]