18517136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{105211}}^1$

素因数の和:105230

約数の個数: 20

約数和(自身を含む): 39138864

約数和(自身を除く): 20621728

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 105211, 210422, 420844, 841688, 1157321, 1683376, 2314642, 4629284, 9258568, 18517136]

約数ペア:

[(1, 18517136), (2, 9258568), (4, 4629284), (8, 2314642), (11, 1683376), (16, 1157321), (22, 841688), (44, 420844), (88, 210422), (176, 105211)]