18742722

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{43997}}^1$

素因数の和:44073

約数の個数: 16

約数和(自身を含む): 38014272

約数和(自身を除く): 19271550

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 43997, 87994, 131991, 263982, 3123787, 6247574, 9371361, 18742722]

約数ペア:

[(1, 18742722), (2, 9371361), (3, 6247574), (6, 3123787), (71, 263982), (142, 131991), (213, 87994), (426, 43997)]