19222084

素因数分解:

$2^2\times 7^1\times {\mathrm{686503}}^1$

素因数の和:686514

約数の個数: 12

約数和(自身を含む): 38444224

約数和(自身を除く): 19222140

約数列:

[1, 2, 4, 7, 14, 28, 686503, 1373006, 2746012, 4805521, 9611042, 19222084]

約数ペア:

[(1, 19222084), (2, 9611042), (4, 4805521), (7, 2746012), (14, 1373006), (28, 686503)]