19807737

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6367}}^1$

素因数の和:6448

約数の個数: 16

約数和(自身を含む): 28426752

約数和(自身を除く): 8619015

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 6367, 19101, 108239, 324717, 388387, 1165161, 6602579, 19807737]

約数ペア:

[(1, 19807737), (3, 6602579), (17, 1165161), (51, 388387), (61, 324717), (183, 108239), (1037, 19101), (3111, 6367)]