18581217

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5081}}^1$

素因数の和:5160

約数の個数: 16

約数和(自身を含む): 26345088

約数和(自身を除く): 7763871

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5081, 15243, 116863, 269293, 350589, 807879, 6193739, 18581217]

約数ペア:

[(1, 18581217), (3, 6193739), (23, 807879), (53, 350589), (69, 269293), (159, 116863), (1219, 15243), (3657, 5081)]