18945261

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4817}}^1$

素因数の和:4865

約数の個数: 24

約数和(自身を含む): 30064320

約数和(自身を除く): 11119059

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 4817, 14451, 43353, 91523, 110791, 274569, 332373, 823707, 997119, 2105029, 6315087, 18945261]

約数ペア:

[(1, 18945261), (3, 6315087), (9, 2105029), (19, 997119), (23, 823707), (57, 332373), (69, 274569), (171, 110791), (207, 91523), (437, 43353), (1311, 14451), (3933, 4817)]