18455440

素因数分解:

$2^4\times 5^1\times {\mathrm{230693}}^1$

素因数の和:230706

約数の個数: 20

約数和(自身を含む): 42909084

約数和(自身を除く): 24453644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230693, 461386, 922772, 1153465, 1845544, 2306930, 3691088, 4613860, 9227720, 18455440]

約数ペア:

[(1, 18455440), (2, 9227720), (4, 4613860), (5, 3691088), (8, 2306930), (10, 1845544), (16, 1153465), (20, 922772), (40, 461386), (80, 230693)]