18796043

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 22187520

約数和(自身を除く): 3391477

約数列:

[1, 7, 59, 71, 413, 497, 641, 4189, 4487, 29323, 37819, 45511, 264733, 318577, 2685149, 18796043]

約数ペア:

[(1, 18796043), (7, 2685149), (59, 318577), (71, 264733), (413, 45511), (497, 37819), (641, 29323), (4189, 4487)]