17993866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 31477248

約数和(自身を除く): 13483382

約数列:

[1, 2, 11, 22, 23, 43, 46, 86, 253, 473, 506, 827, 946, 989, 1654, 1978, 9097, 10879, 18194, 19021, 21758, 35561, 38042, 71122, 209231, 391171, 418462, 782342, 817903, 1635806, 8996933, 17993866]

約数ペア:

[(1, 17993866), (2, 8996933), (11, 1635806), (22, 817903), (23, 782342), (43, 418462), (46, 391171), (86, 209231), (253, 71122), (473, 38042), (506, 35561), (827, 21758), (946, 19021), (989, 18194), (1654, 10879), (1978, 9097)]