18024580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128747}}^1$

素因数の和:128763

約数の個数: 24

約数和(自身を含む): 43259328

約数和(自身を除く): 25234748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128747, 257494, 514988, 643735, 901229, 1287470, 1802458, 2574940, 3604916, 4506145, 9012290, 18024580]

約数ペア:

[(1, 18024580), (2, 9012290), (4, 4506145), (5, 3604916), (7, 2574940), (10, 1802458), (14, 1287470), (20, 901229), (28, 643735), (35, 514988), (70, 257494), (140, 128747)]