18887425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2385

約数の個数: 24

約数和(自身を含む): 26114400

約数和(自身を除く): 7226975

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 2339, 8075, 11695, 39763, 44441, 58475, 198815, 222205, 755497, 994075, 1111025, 3777485, 18887425]

約数ペア:

[(1, 18887425), (5, 3777485), (17, 1111025), (19, 994075), (25, 755497), (85, 222205), (95, 198815), (323, 58475), (425, 44441), (475, 39763), (1615, 11695), (2339, 8075)]