18798802

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{77681}}^1$

素因数の和:77705

約数の個数: 12

約数和(自身を含む): 30995118

約数和(自身を除く): 12196316

約数列:

[1, 2, 11, 22, 121, 242, 77681, 155362, 854491, 1708982, 9399401, 18798802]

約数ペア:

[(1, 18798802), (2, 9399401), (11, 1708982), (22, 854491), (121, 155362), (242, 77681)]