18990136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{215797}}^1$

素因数の和:215814

約数の個数: 16

約数和(自身を含む): 38843640

約数和(自身を除く): 19853504

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 215797, 431594, 863188, 1726376, 2373767, 4747534, 9495068, 18990136]

約数ペア:

[(1, 18990136), (2, 9495068), (4, 4747534), (8, 2373767), (11, 1726376), (22, 863188), (44, 431594), (88, 215797)]