19165258

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2129}}^1$

素因数の和:2781

約数の個数: 16

約数和(自身を含む): 32921280

約数和(自身を除く): 13756022

約数列:

[1, 2, 7, 14, 643, 1286, 2129, 4258, 4501, 9002, 14903, 29806, 1368947, 2737894, 9582629, 19165258]

約数ペア:

[(1, 19165258), (2, 9582629), (7, 2737894), (14, 1368947), (643, 29806), (1286, 14903), (2129, 9002), (4258, 4501)]