19804099

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{461}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 25347168

約数和(自身を除く): 5543069

約数列:

[1, 7, 17, 19, 119, 133, 323, 361, 461, 2261, 2527, 3227, 6137, 7837, 8759, 42959, 54859, 61313, 148903, 166421, 1042321, 1164947, 2829157, 19804099]

約数ペア:

[(1, 19804099), (7, 2829157), (17, 1164947), (19, 1042321), (119, 166421), (133, 148903), (323, 61313), (361, 54859), (461, 42959), (2261, 8759), (2527, 7837), (3227, 6137)]