19014721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4421}}^1$

素因数の和:4472

約数の個数: 16

約数和(自身を含む): 22923648

約数和(自身を除く): 3908927

約数列:

[1, 11, 17, 23, 187, 253, 391, 4301, 4421, 48631, 75157, 101683, 826727, 1118513, 1728611, 19014721]

約数ペア:

[(1, 19014721), (11, 1728611), (17, 1118513), (23, 826727), (187, 101683), (253, 75157), (391, 48631), (4301, 4421)]