18882681

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1153}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 25923456

約数和(自身を除く): 7040775

約数列:

[1, 3, 53, 103, 159, 309, 1153, 3459, 5459, 16377, 61109, 118759, 183327, 356277, 6294227, 18882681]

約数ペア:

[(1, 18882681), (3, 6294227), (53, 356277), (103, 183327), (159, 118759), (309, 61109), (1153, 16377), (3459, 5459)]