18669140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133351}}^1$

素因数の和:133367

約数の個数: 24

約数和(自身を含む): 44806272

約数和(自身を除く): 26137132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133351, 266702, 533404, 666755, 933457, 1333510, 1866914, 2667020, 3733828, 4667285, 9334570, 18669140]

約数ペア:

[(1, 18669140), (2, 9334570), (4, 4667285), (5, 3733828), (7, 2667020), (10, 1866914), (14, 1333510), (20, 933457), (28, 666755), (35, 533404), (70, 266702), (140, 133351)]