19927285

素因数分解:

$5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1321}}^1$

素因数の和:1764

約数の個数: 16

約数和(自身を含む): 27412992

約数和(自身を除く): 7485707

約数列:

[1, 5, 7, 35, 431, 1321, 2155, 3017, 6605, 9247, 15085, 46235, 569351, 2846755, 3985457, 19927285]

約数ペア:

[(1, 19927285), (5, 3985457), (7, 2846755), (35, 569351), (431, 46235), (1321, 15085), (2155, 9247), (3017, 6605)]