18717688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{212701}}^1$

素因数の和:212718

約数の個数: 16

約数和(自身を含む): 38286360

約数和(自身を除く): 19568672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 212701, 425402, 850804, 1701608, 2339711, 4679422, 9358844, 18717688]

約数ペア:

[(1, 18717688), (2, 9358844), (4, 4679422), (8, 2339711), (11, 1701608), (22, 850804), (44, 425402), (88, 212701)]