18882987

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{547}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 25988352

約数和(自身を除く): 7105365

約数列:

[1, 3, 37, 111, 311, 547, 933, 1641, 11507, 20239, 34521, 60717, 170117, 510351, 6294329, 18882987]

約数ペア:

[(1, 18882987), (3, 6294329), (37, 510351), (111, 170117), (311, 60717), (547, 34521), (933, 20239), (1641, 11507)]