18245722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11681}}^1$

素因数の和:11765

約数の個数: 16

約数和(自身を含む): 30279744

約数和(自身を除く): 12034022

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 11681, 23362, 128491, 256982, 829351, 1658702, 9122861, 18245722]

約数ペア:

[(1, 18245722), (2, 9122861), (11, 1658702), (22, 829351), (71, 256982), (142, 128491), (781, 23362), (1562, 11681)]