19786113

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14369}}^1$

素因数の和:14398

約数の個数: 20

約数和(自身を含む): 31297860

約数和(自身を除く): 11511747

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14369, 43107, 129321, 244273, 387963, 732819, 1163889, 2198457, 6595371, 19786113]

約数ペア:

[(1, 19786113), (3, 6595371), (9, 2198457), (17, 1163889), (27, 732819), (51, 387963), (81, 244273), (153, 129321), (459, 43107), (1377, 14369)]