19845297

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31957}}^1$

素因数の和:31989

約数の個数: 16

約数和(自身を含む): 30679680

約数和(自身を除く): 10834383

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 31957, 95871, 287613, 735011, 862839, 2205033, 6615099, 19845297]

約数ペア:

[(1, 19845297), (3, 6615099), (9, 2205033), (23, 862839), (27, 735011), (69, 287613), (207, 95871), (621, 31957)]