18928299

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11287}}^1$

素因数の和:11346

約数の個数: 16

約数和(自身を含む): 27813632

約数和(自身を除く): 8885333

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 11287, 33861, 146731, 440193, 485341, 1456023, 6309433, 18928299]

約数ペア:

[(1, 18928299), (3, 6309433), (13, 1456023), (39, 485341), (43, 440193), (129, 146731), (559, 33861), (1677, 11287)]