19541401

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 21897216

約数和(自身を除く): 2355815

約数列:

[1, 11, 71, 131, 191, 781, 1441, 2101, 9301, 13561, 25021, 102311, 149171, 275231, 1776491, 19541401]

約数ペア:

[(1, 19541401), (11, 1776491), (71, 275231), (131, 149171), (191, 102311), (781, 25021), (1441, 13561), (2101, 9301)]