18274886

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9391}}^1$

素因数の和:9539

約数の個数: 16

約数和(自身を含む): 31557120

約数和(自身を除く): 13282234

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 9391, 18782, 65737, 131474, 1305349, 2610698, 9137443, 18274886]

約数ペア:

[(1, 18274886), (2, 9137443), (7, 2610698), (14, 1305349), (139, 131474), (278, 65737), (973, 18782), (1946, 9391)]