19313168

素因数分解:

$2^4\times 7^1\times {\mathrm{172439}}^1$

素因数の和:172454

約数の個数: 20

約数和(自身を含む): 42765120

約数和(自身を除く): 23451952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 172439, 344878, 689756, 1207073, 1379512, 2414146, 2759024, 4828292, 9656584, 19313168]

約数ペア:

[(1, 19313168), (2, 9656584), (4, 4828292), (7, 2759024), (8, 2414146), (14, 1379512), (16, 1207073), (28, 689756), (56, 344878), (112, 172439)]