18836571

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 27748656

約数和(自身を除く): 8912085

約数列:

[1, 3, 13, 39, 53, 159, 169, 507, 689, 701, 2067, 2103, 8957, 9113, 26871, 27339, 37153, 111459, 118469, 355407, 482989, 1448967, 6278857, 18836571]

約数ペア:

[(1, 18836571), (3, 6278857), (13, 1448967), (39, 482989), (53, 355407), (159, 118469), (169, 111459), (507, 37153), (689, 27339), (701, 26871), (2067, 9113), (2103, 8957)]