18557433

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2309}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 28828800

約数和(自身を除く): 10271367

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2309, 2679, 6927, 8037, 20781, 43871, 108523, 131613, 325569, 394839, 976707, 2061937, 6185811, 18557433]

約数ペア:

[(1, 18557433), (3, 6185811), (9, 2061937), (19, 976707), (47, 394839), (57, 325569), (141, 131613), (171, 108523), (423, 43871), (893, 20781), (2309, 8037), (2679, 6927)]