18949983

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{751}}^1$

素因数の和:1414

約数の個数: 16

約数和(自身を含む): 27288576

約数和(自身を除く): 8338593

約数列:

[1, 3, 13, 39, 647, 751, 1941, 2253, 8411, 9763, 25233, 29289, 485897, 1457691, 6316661, 18949983]

約数ペア:

[(1, 18949983), (3, 6316661), (13, 1457691), (39, 485897), (647, 29289), (751, 25233), (1941, 9763), (2253, 8411)]