19047749

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{613}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 22870272

約数和(自身を除く): 3822523

約数列:

[1, 7, 23, 161, 193, 613, 1351, 4291, 4439, 14099, 31073, 98693, 118309, 828163, 2721107, 19047749]

約数ペア:

[(1, 19047749), (7, 2721107), (23, 828163), (161, 118309), (193, 98693), (613, 31073), (1351, 14099), (4291, 4439)]