19952261

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 25308000

約数和(自身を除く): 5355739

約数列:

[1, 7, 19, 29, 49, 133, 203, 551, 739, 931, 1421, 3857, 5173, 14041, 21431, 26999, 36211, 98287, 150017, 407189, 688009, 1050119, 2850323, 19952261]

約数ペア:

[(1, 19952261), (7, 2850323), (19, 1050119), (29, 688009), (49, 407189), (133, 150017), (203, 98287), (551, 36211), (739, 26999), (931, 21431), (1421, 14041), (3857, 5173)]