19713904

素因数分解:

$2^4\times 7^1\times {\mathrm{176017}}^1$

素因数の和:176032

約数の個数: 20

約数和(自身を含む): 43652464

約数和(自身を除く): 23938560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 176017, 352034, 704068, 1232119, 1408136, 2464238, 2816272, 4928476, 9856952, 19713904]

約数ペア:

[(1, 19713904), (2, 9856952), (4, 4928476), (7, 2816272), (8, 2464238), (14, 1408136), (16, 1232119), (28, 704068), (56, 352034), (112, 176017)]