19108551

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{82721}}^1$

素因数の和:82742

約数の個数: 16

約数和(自身を含む): 31765248

約数和(自身を除く): 12656697

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 82721, 248163, 579047, 909931, 1737141, 2729793, 6369517, 19108551]

約数ペア:

[(1, 19108551), (3, 6369517), (7, 2729793), (11, 1737141), (21, 909931), (33, 579047), (77, 248163), (231, 82721)]