18791806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{11701}}^1$

素因数の和:11787

約数の個数: 16

約数和(自身を含む): 31174128

約数和(自身を除く): 12382322

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 11701, 23402, 128711, 257422, 854173, 1708346, 9395903, 18791806]

約数ペア:

[(1, 18791806), (2, 9395903), (11, 1708346), (22, 854173), (73, 257422), (146, 128711), (803, 23402), (1606, 11701)]