18453309

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 29425920

約数和(自身を除く): 10972611

約数列:

[1, 3, 7, 21, 29, 87, 157, 193, 203, 471, 579, 609, 1099, 1351, 3297, 4053, 4553, 5597, 13659, 16791, 30301, 31871, 39179, 90903, 95613, 117537, 212107, 636321, 878729, 2636187, 6151103, 18453309]

約数ペア:

[(1, 18453309), (3, 6151103), (7, 2636187), (21, 878729), (29, 636321), (87, 212107), (157, 117537), (193, 95613), (203, 90903), (471, 39179), (579, 31871), (609, 30301), (1099, 16791), (1351, 13659), (3297, 5597), (4053, 4553)]