19111952

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27779}}^1$

素因数の和:27830

約数の個数: 20

約数和(自身を含む): 37891920

約数和(自身を除く): 18779968

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27779, 55558, 111116, 222232, 444464, 1194497, 2388994, 4777988, 9555976, 19111952]

約数ペア:

[(1, 19111952), (2, 9555976), (4, 4777988), (8, 2388994), (16, 1194497), (43, 444464), (86, 222232), (172, 111116), (344, 55558), (688, 27779)]