19965531

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5843}}^1$

素因数の和:5930

約数の個数: 16

約数和(自身を含む): 28612224

約数和(自身を除く): 8646693

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 5843, 17529, 99331, 297993, 391481, 1174443, 6655177, 19965531]

約数ペア:

[(1, 19965531), (3, 6655177), (17, 1174443), (51, 391481), (67, 297993), (201, 99331), (1139, 17529), (3417, 5843)]