18381231

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{16879}}^1$

素因数の和:16907

約数の個数: 18

約数和(自身を含む): 29185520

約数和(自身を除く): 10804289

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 16879, 50637, 151911, 185669, 557007, 1671021, 2042359, 6127077, 18381231]

約数ペア:

[(1, 18381231), (3, 6127077), (9, 2042359), (11, 1671021), (33, 557007), (99, 185669), (121, 151911), (363, 50637), (1089, 16879)]