19519973

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1583}}^1$

素因数の和:1672

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 3289627

約数列:

[1, 11, 19, 59, 209, 649, 1121, 1583, 12331, 17413, 30077, 93397, 330847, 1027367, 1774543, 19519973]

約数ペア:

[(1, 19519973), (11, 1774543), (19, 1027367), (59, 330847), (209, 93397), (649, 30077), (1121, 17413), (1583, 12331)]