18681062405

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{158981}}^1$

素因数の和:159388

約数の個数: 16

約数和(自身を含む): 22801834368

約数和(自身を除く): 4120771963

約数列:

[1, 5, 71, 331, 355, 1655, 23501, 117505, 158981, 794905, 11287651, 52622711, 56438255, 263113555, 3736212481, 18681062405]

約数ペア:

[(1, 18681062405), (5, 3736212481), (71, 263113555), (331, 56438255), (355, 52622711), (1655, 11287651), (23501, 794905), (117505, 158981)]