18209554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19249}}^1$

素因数の和:19305

約数の個数: 16

約数和(自身を含む): 30492000

約数和(自身を除く): 12282446

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19249, 38498, 211739, 423478, 827707, 1655414, 9104777, 18209554]

約数ペア:

[(1, 18209554), (2, 9104777), (11, 1655414), (22, 827707), (43, 423478), (86, 211739), (473, 38498), (946, 19249)]