18227920

素因数分解:

$2^4\times 5^1\times {\mathrm{227849}}^1$

素因数の和:227862

約数の個数: 20

約数和(自身を含む): 42380100

約数和(自身を除く): 24152180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227849, 455698, 911396, 1139245, 1822792, 2278490, 3645584, 4556980, 9113960, 18227920]

約数ペア:

[(1, 18227920), (2, 9113960), (4, 4556980), (5, 3645584), (8, 2278490), (10, 1822792), (16, 1139245), (20, 911396), (40, 455698), (80, 227849)]