19942549487

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{440807}}^1$

素因数の和:441118

約数の個数: 16

約数和(自身を含む): 23867108352

約数和(自身を除く): 3924558865

約数列:

[1, 7, 23, 161, 281, 1967, 6463, 45241, 440807, 3085649, 10138561, 70969927, 123866767, 867067369, 2848935641, 19942549487]

約数ペア:

[(1, 19942549487), (7, 2848935641), (23, 867067369), (161, 123866767), (281, 70969927), (1967, 10138561), (6463, 3085649), (45241, 440807)]