19913354

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{2243}}^1$

素因数の和:2461

約数の個数: 16

約数和(自身を含む): 31344192

約数和(自身を除く): 11430838

約数列:

[1, 2, 23, 46, 193, 386, 2243, 4439, 4486, 8878, 51589, 103178, 432899, 865798, 9956677, 19913354]

約数ペア:

[(1, 19913354), (2, 9956677), (23, 865798), (46, 432899), (193, 103178), (386, 51589), (2243, 8878), (4439, 4486)]