18861724

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{8527}}^1$

素因数の和:8617

約数の個数: 24

約数和(自身を含む): 38205440

約数和(自身を除く): 19343716

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 8527, 17054, 34108, 59689, 119378, 238756, 673633, 1347266, 2694532, 4715431, 9430862, 18861724]

約数ペア:

[(1, 18861724), (2, 9430862), (4, 4715431), (7, 2694532), (14, 1347266), (28, 673633), (79, 238756), (158, 119378), (316, 59689), (553, 34108), (1106, 17054), (2212, 8527)]