18914367

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7717}}^1$

素因数の和:7782

約数の個数: 16

約数和(自身を含む): 27167360

約数和(自身を除く): 8252993

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 7717, 23151, 146623, 331831, 439869, 995493, 6304789, 18914367]

約数ペア:

[(1, 18914367), (3, 6304789), (19, 995493), (43, 439869), (57, 331831), (129, 146623), (817, 23151), (2451, 7717)]