19542182

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12511}}^1$

素因数の和:12595

約数の個数: 16

約数和(自身を含む): 32431104

約数和(自身を除く): 12888922

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12511, 25022, 137621, 275242, 888281, 1776562, 9771091, 19542182]

約数ペア:

[(1, 19542182), (2, 9771091), (11, 1776562), (22, 888281), (71, 275242), (142, 137621), (781, 25022), (1562, 12511)]