19030781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2777}}^1$

素因数の和:2884

約数の個数: 16

約数和(自身を含む): 24001920

約数和(自身を除く): 4971139

約数列:

[1, 7, 11, 77, 89, 623, 979, 2777, 6853, 19439, 30547, 213829, 247153, 1730071, 2718683, 19030781]

約数ペア:

[(1, 19030781), (7, 2718683), (11, 1730071), (77, 247153), (89, 213829), (623, 30547), (979, 19439), (2777, 6853)]