19166985

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3109}}^1$

素因数の和:3257

約数の個数: 24

約数和(自身を含む): 33476040

約数和(自身を除く): 14309055

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 3109, 6165, 9327, 15545, 27981, 46635, 139905, 425933, 1277799, 2129665, 3833397, 6388995, 19166985]

約数ペア:

[(1, 19166985), (3, 6388995), (5, 3833397), (9, 2129665), (15, 1277799), (45, 425933), (137, 139905), (411, 46635), (685, 27981), (1233, 15545), (2055, 9327), (3109, 6165)]