19999410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666647}}^1$

素因数の和:666657

約数の個数: 16

約数和(自身を含む): 47998656

約数和(自身を除く): 27999246

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666647, 1333294, 1999941, 3333235, 3999882, 6666470, 9999705, 19999410]

約数ペア:

[(1, 19999410), (2, 9999705), (3, 6666470), (5, 3999882), (6, 3333235), (10, 1999941), (15, 1333294), (30, 666647)]