18253697

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 23952768

約数和(自身を除く): 5699071

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 937, 1771, 2783, 6559, 10307, 19481, 21551, 72149, 113377, 150857, 237061, 793639, 1659427, 2607671, 18253697]

約数ペア:

[(1, 18253697), (7, 2607671), (11, 1659427), (23, 793639), (77, 237061), (121, 150857), (161, 113377), (253, 72149), (847, 21551), (937, 19481), (1771, 10307), (2783, 6559)]