19291218

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{20479}}^1$

素因数の和:20641

約数の個数: 16

約数和(自身を含む): 38830080

約数和(自身を除く): 19538862

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 20479, 40958, 61437, 122874, 3215203, 6430406, 9645609, 19291218]

約数ペア:

[(1, 19291218), (2, 9645609), (3, 6430406), (6, 3215203), (157, 122874), (314, 61437), (471, 40958), (942, 20479)]