18661269

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13151}}^1$

素因数の和:13208

約数の個数: 16

約数和(自身を含む): 27777024

約数和(自身を除く): 9115755

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 13151, 39453, 144661, 433983, 565493, 1696479, 6220423, 18661269]

約数ペア:

[(1, 18661269), (3, 6220423), (11, 1696479), (33, 565493), (43, 433983), (129, 144661), (473, 39453), (1419, 13151)]