18214881

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1051}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 24995520

約数和(自身を除く): 6780639

約数列:

[1, 3, 53, 109, 159, 327, 1051, 3153, 5777, 17331, 55703, 114559, 167109, 343677, 6071627, 18214881]

約数ペア:

[(1, 18214881), (3, 6071627), (53, 343677), (109, 167109), (159, 114559), (327, 55703), (1051, 17331), (3153, 5777)]