19112517

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10259}}^1$

素因数の和:10294

約数の個数: 20

約数和(自身を含む): 29795040

約数和(自身を除く): 10682523

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10259, 30777, 92331, 235957, 276993, 707871, 830979, 2123613, 6370839, 19112517]

約数ペア:

[(1, 19112517), (3, 6370839), (9, 2123613), (23, 830979), (27, 707871), (69, 276993), (81, 235957), (207, 92331), (621, 30777), (1863, 10259)]