18023421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 27482112

約数和(自身を除く): 9458691

約数列:

[1, 3, 13, 23, 39, 69, 71, 213, 283, 299, 849, 897, 923, 1633, 2769, 3679, 4899, 6509, 11037, 19527, 20093, 21229, 60279, 63687, 84617, 253851, 261209, 462139, 783627, 1386417, 6007807, 18023421]

約数ペア:

[(1, 18023421), (3, 6007807), (13, 1386417), (23, 783627), (39, 462139), (69, 261209), (71, 253851), (213, 84617), (283, 63687), (299, 60279), (849, 21229), (897, 20093), (923, 19527), (1633, 11037), (2769, 6509), (3679, 4899)]