18004805

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5653}}^1$

素因数の和:5685

約数の個数: 24

約数和(自身を含む): 27071352

約数和(自身を除く): 9066547

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 5653, 28265, 39571, 73489, 197855, 276997, 367445, 514423, 1384985, 2572115, 3600961, 18004805]

約数ペア:

[(1, 18004805), (5, 3600961), (7, 2572115), (13, 1384985), (35, 514423), (49, 367445), (65, 276997), (91, 197855), (245, 73489), (455, 39571), (637, 28265), (3185, 5653)]