18279591

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1361}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 27534192

約数和(自身を除く): 9254601

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 1361, 4083, 4477, 13431, 14971, 44913, 50357, 151071, 164681, 494043, 553927, 1661781, 6093197, 18279591]

約数ペア:

[(1, 18279591), (3, 6093197), (11, 1661781), (33, 553927), (37, 494043), (111, 164681), (121, 151071), (363, 50357), (407, 44913), (1221, 14971), (1361, 13431), (4083, 4477)]