18209866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{1381}}^1$

素因数の和:1749

約数の個数: 16

約数和(自身を含む): 28856160

約数和(自身を除く): 10646294

約数列:

[1, 2, 19, 38, 347, 694, 1381, 2762, 6593, 13186, 26239, 52478, 479207, 958414, 9104933, 18209866]

約数ペア:

[(1, 18209866), (2, 9104933), (19, 958414), (38, 479207), (347, 52478), (694, 26239), (1381, 13186), (2762, 6593)]