19480270

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27437}}^1$

素因数の和:27515

約数の個数: 16

約数和(自身を含む): 35559648

約数和(自身を除く): 16079378

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 27437, 54874, 137185, 274370, 1948027, 3896054, 9740135, 19480270]

約数ペア:

[(1, 19480270), (2, 9740135), (5, 3896054), (10, 1948027), (71, 274370), (142, 137185), (355, 54874), (710, 27437)]