18680919

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 25435872

約数和(自身を除く): 6754953

約数列:

[1, 3, 73, 197, 219, 433, 591, 1299, 14381, 31609, 43143, 85301, 94827, 255903, 6226973, 18680919]

約数ペア:

[(1, 18680919), (3, 6226973), (73, 255903), (197, 94827), (219, 85301), (433, 43143), (591, 31609), (1299, 14381)]