19170891

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{30871}}^1$

素因数の和:30903

約数の個数: 16

約数和(自身を含む): 29637120

約数和(自身を除く): 10466229

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 30871, 92613, 277839, 710033, 833517, 2130099, 6390297, 19170891]

約数ペア:

[(1, 19170891), (3, 6390297), (9, 2130099), (23, 833517), (27, 710033), (69, 277839), (207, 92613), (621, 30871)]