18787006

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{409}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 34361280

約数和(自身を除く): 15574274

約数列:

[1, 2, 7, 14, 17, 34, 119, 193, 238, 386, 409, 818, 1351, 2702, 2863, 3281, 5726, 6562, 6953, 13906, 22967, 45934, 48671, 78937, 97342, 157874, 552559, 1105118, 1341929, 2683858, 9393503, 18787006]

約数ペア:

[(1, 18787006), (2, 9393503), (7, 2683858), (14, 1341929), (17, 1105118), (34, 552559), (119, 157874), (193, 97342), (238, 78937), (386, 48671), (409, 45934), (818, 22967), (1351, 13906), (2702, 6953), (2863, 6562), (3281, 5726)]