19750971

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1559}}^1$

素因数の和:1706

約数の個数: 16

約数和(自身を含む): 27256320

約数和(自身を除く): 7505349

約数列:

[1, 3, 41, 103, 123, 309, 1559, 4223, 4677, 12669, 63919, 160577, 191757, 481731, 6583657, 19750971]

約数ペア:

[(1, 19750971), (3, 6583657), (41, 481731), (103, 191757), (123, 160577), (309, 63919), (1559, 12669), (4223, 4677)]