19494470

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27457}}^1$

素因数の和:27535

約数の個数: 16

約数和(自身を含む): 35585568

約数和(自身を除く): 16091098

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 27457, 54914, 137285, 274570, 1949447, 3898894, 9747235, 19494470]

約数ペア:

[(1, 19494470), (2, 9747235), (5, 3898894), (10, 1949447), (71, 274570), (142, 137285), (355, 54914), (710, 27457)]