19007709

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7127}}^1$

素因数の和:7264

約数の個数: 16

約数和(自身を含む): 29196288

約数和(自身を除く): 10188579

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7127, 21381, 49889, 149667, 905129, 2715387, 6335903, 19007709]

約数ペア:

[(1, 19007709), (3, 6335903), (7, 2715387), (21, 905129), (127, 149667), (381, 49889), (889, 21381), (2667, 7127)]