19157740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136841}}^1$

素因数の和:136857

約数の個数: 24

約数和(自身を含む): 45978912

約数和(自身を除く): 26821172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136841, 273682, 547364, 684205, 957887, 1368410, 1915774, 2736820, 3831548, 4789435, 9578870, 19157740]

約数ペア:

[(1, 19157740), (2, 9578870), (4, 4789435), (5, 3831548), (7, 2736820), (10, 1915774), (14, 1368410), (20, 957887), (28, 684205), (35, 547364), (70, 273682), (140, 136841)]