19867985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5701}}^1$

素因数の和:5764

約数の個数: 16

約数和(自身を含む): 25864272

約数和(自身を除く): 5996287

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 5701, 28505, 96917, 233741, 484585, 1168705, 3973597, 19867985]

約数ペア:

[(1, 19867985), (5, 3973597), (17, 1168705), (41, 484585), (85, 233741), (205, 96917), (697, 28505), (3485, 5701)]