19339255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3343}}^1$

素因数の和:3450

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 5941385

約数列:

[1, 5, 13, 65, 89, 445, 1157, 3343, 5785, 16715, 43459, 217295, 297527, 1487635, 3867851, 19339255]

約数ペア:

[(1, 19339255), (5, 3867851), (13, 1487635), (65, 297527), (89, 217295), (445, 43459), (1157, 16715), (3343, 5785)]