19983213

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{6917}}^1$

素因数の和:7033

約数の個数: 16

約数和(自身を含む): 29885760

約数和(自身を除く): 9902547

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 6917, 20751, 62253, 186759, 740119, 2220357, 6661071, 19983213]

約数ペア:

[(1, 19983213), (3, 6661071), (9, 2220357), (27, 740119), (107, 186759), (321, 62253), (963, 20751), (2889, 6917)]