18866923

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 21162816

約数和(自身を除く): 2295893

約数列:

[1, 17, 23, 73, 391, 661, 1241, 1679, 11237, 15203, 28543, 48253, 258451, 820301, 1109819, 18866923]

約数ペア:

[(1, 18866923), (17, 1109819), (23, 820301), (73, 258451), (391, 48253), (661, 28543), (1241, 15203), (1679, 11237)]