19107824

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27773}}^1$

素因数の和:27824

約数の個数: 20

約数和(自身を含む): 37883736

約数和(自身を除く): 18775912

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27773, 55546, 111092, 222184, 444368, 1194239, 2388478, 4776956, 9553912, 19107824]

約数ペア:

[(1, 19107824), (2, 9553912), (4, 4776956), (8, 2388478), (16, 1194239), (43, 444368), (86, 222184), (172, 111092), (344, 55546), (688, 27773)]