209133076

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{144829}}^1$

素因数の和:144871

約数の個数: 18

約数和(自身を含む): 386261610

約数和(自身を除く): 177128534

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 144829, 289658, 579316, 2751751, 5503502, 11007004, 52283269, 104566538, 209133076]

約数ペア:

[(1, 209133076), (2, 104566538), (4, 52283269), (19, 11007004), (38, 5503502), (76, 2751751), (361, 579316), (722, 289658), (1444, 144829)]