19783359

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4789}}^1$

素因数の和:4821

約数の個数: 24

約数和(自身を含む): 31384080

約数和(自身を除く): 11600721

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4789, 14367, 43101, 81413, 129303, 244239, 387909, 732717, 1163727, 2198151, 6594453, 19783359]

約数ペア:

[(1, 19783359), (3, 6594453), (9, 2198151), (17, 1163727), (27, 732717), (51, 387909), (81, 244239), (153, 129303), (243, 81413), (459, 43101), (1377, 14367), (4131, 4789)]