18458935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 25505280

約数和(自身を除く): 7046345

約数列:

[1, 5, 11, 29, 55, 71, 145, 163, 319, 355, 781, 815, 1595, 1793, 2059, 3905, 4727, 8965, 10295, 11573, 22649, 23635, 51997, 57865, 113245, 127303, 259985, 335617, 636515, 1678085, 3691787, 18458935]

約数ペア:

[(1, 18458935), (5, 3691787), (11, 1678085), (29, 636515), (55, 335617), (71, 259985), (145, 127303), (163, 113245), (319, 57865), (355, 51997), (781, 23635), (815, 22649), (1595, 11573), (1793, 10295), (2059, 8965), (3905, 4727)]