16438970

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2027}}^1$

素因数の和:2845

約数の個数: 16

約数和(自身を含む): 29641248

約数和(自身を除く): 13202278

約数列:

[1, 2, 5, 10, 811, 1622, 2027, 4054, 4055, 8110, 10135, 20270, 1643897, 3287794, 8219485, 16438970]

約数ペア:

[(1, 16438970), (2, 8219485), (5, 3287794), (10, 1643897), (811, 20270), (1622, 10135), (2027, 8110), (4054, 4055)]