18162155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4651}}^1$

素因数の和:4738

約数の個数: 16

約数和(自身を含む): 24115968

約数和(自身を除く): 5953813

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 4651, 23255, 51161, 255805, 330221, 1651105, 3632431, 18162155]

約数ペア:

[(1, 18162155), (5, 3632431), (11, 1651105), (55, 330221), (71, 255805), (355, 51161), (781, 23255), (3905, 4651)]