18380315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{599}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 24688800

約数和(自身を除く): 6308485

約数列:

[1, 5, 17, 19, 85, 95, 323, 361, 599, 1615, 1805, 2995, 6137, 10183, 11381, 30685, 50915, 56905, 193477, 216239, 967385, 1081195, 3676063, 18380315]

約数ペア:

[(1, 18380315), (5, 3676063), (17, 1081195), (19, 967385), (85, 216239), (95, 193477), (323, 56905), (361, 50915), (599, 30685), (1615, 11381), (1805, 10183), (2995, 6137)]