18207387

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{521}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 28826928

約数和(自身を除く): 10619541

約数列:

[1, 3, 9, 11, 33, 99, 353, 521, 1059, 1563, 3177, 3883, 4689, 5731, 11649, 17193, 34947, 51579, 183913, 551739, 1655217, 2023043, 6069129, 18207387]

約数ペア:

[(1, 18207387), (3, 6069129), (9, 2023043), (11, 1655217), (33, 551739), (99, 183913), (353, 51579), (521, 34947), (1059, 17193), (1563, 11649), (3177, 5731), (3883, 4689)]