38128820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5281}}^1$

素因数の和:5328

約数の個数: 36

約数和(自身を含む): 84522564

約数和(自身を除く): 46393744

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 5281, 7220, 10562, 21124, 26405, 52810, 100339, 105620, 200678, 401356, 501695, 1003390, 1906441, 2006780, 3812882, 7625764, 9532205, 19064410, 38128820]

約数ペア:

[(1, 38128820), (2, 19064410), (4, 9532205), (5, 7625764), (10, 3812882), (19, 2006780), (20, 1906441), (38, 1003390), (76, 501695), (95, 401356), (190, 200678), (361, 105620), (380, 100339), (722, 52810), (1444, 26405), (1805, 21124), (3610, 10562), (5281, 7220)]