19738147

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1663}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 23482368

約数和(自身を除く): 3744221

約数列:

[1, 11, 13, 83, 143, 913, 1079, 1663, 11869, 18293, 21619, 138029, 237809, 1518319, 1794377, 19738147]

約数ペア:

[(1, 19738147), (11, 1794377), (13, 1518319), (83, 237809), (143, 138029), (913, 21619), (1079, 18293), (1663, 11869)]