16911490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23819}}^1$

素因数の和:23897

約数の個数: 16

約数和(自身を含む): 30870720

約数和(自身を除く): 13959230

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 23819, 47638, 119095, 238190, 1691149, 3382298, 8455745, 16911490]

約数ペア:

[(1, 16911490), (2, 8455745), (5, 3382298), (10, 1691149), (71, 238190), (142, 119095), (355, 47638), (710, 23819)]