18522889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10459}}^1$

素因数の和:10500

約数の個数: 16

約数和(自身を含む): 24099840

約数和(自身を除く): 5576951

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 10459, 73213, 115049, 240557, 805343, 1683899, 2646127, 18522889]

約数ペア:

[(1, 18522889), (7, 2646127), (11, 1683899), (23, 805343), (77, 240557), (161, 115049), (253, 73213), (1771, 10459)]