18717906

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{135637}}^1$

素因数の和:135665

約数の個数: 16

約数和(自身を含む): 39063744

約数和(自身を除く): 20345838

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 135637, 271274, 406911, 813822, 3119651, 6239302, 9358953, 18717906]

約数ペア:

[(1, 18717906), (2, 9358953), (3, 6239302), (6, 3119651), (23, 813822), (46, 406911), (69, 271274), (138, 135637)]