18890958

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{373}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 39638016

約数和(自身を除く): 20747058

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 367, 373, 734, 746, 1101, 1119, 2202, 2238, 8441, 8579, 16882, 17158, 25323, 25737, 50646, 51474, 136891, 273782, 410673, 821346, 3148493, 6296986, 9445479, 18890958]

約数ペア:

[(1, 18890958), (2, 9445479), (3, 6296986), (6, 3148493), (23, 821346), (46, 410673), (69, 273782), (138, 136891), (367, 51474), (373, 50646), (734, 25737), (746, 25323), (1101, 17158), (1119, 16882), (2202, 8579), (2238, 8441)]