19247390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27109}}^1$

素因数の和:27187

約数の個数: 16

約数和(自身を含む): 35134560

約数和(自身を除く): 15887170

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 27109, 54218, 135545, 271090, 1924739, 3849478, 9623695, 19247390]

約数ペア:

[(1, 19247390), (2, 9623695), (5, 3849478), (10, 1924739), (71, 271090), (142, 135545), (355, 54218), (710, 27109)]