19288874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{7759}}^1$

素因数の和:7885

約数の個数: 16

約数和(自身を含む): 31847040

約数和(自身を除く): 12558166

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 7759, 15518, 85349, 170698, 876767, 1753534, 9644437, 19288874]

約数ペア:

[(1, 19288874), (2, 9644437), (11, 1753534), (22, 876767), (113, 170698), (226, 85349), (1243, 15518), (2486, 7759)]