19411868

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9497}}^1$

素因数の和:9581

約数の個数: 24

約数和(自身を含む): 39359712

約数和(自身を除く): 19947844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9497, 18994, 37988, 66479, 132958, 265916, 693281, 1386562, 2773124, 4852967, 9705934, 19411868]

約数ペア:

[(1, 19411868), (2, 9705934), (4, 4852967), (7, 2773124), (14, 1386562), (28, 693281), (73, 265916), (146, 132958), (292, 66479), (511, 37988), (1022, 18994), (2044, 9497)]