19947418

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{1439}}^1$

素因数の和:1709

約数の個数: 16

約数和(自身を含む): 31104000

約数和(自身を除く): 11156582

約数列:

[1, 2, 29, 58, 239, 478, 1439, 2878, 6931, 13862, 41731, 83462, 343921, 687842, 9973709, 19947418]

約数ペア:

[(1, 19947418), (2, 9973709), (29, 687842), (58, 343921), (239, 83462), (478, 41731), (1439, 13862), (2878, 6931)]