18801926829

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{20161}}^1$

素因数の和:20418

約数の個数: 48

約数和(自身を含む): 31553368704

約数和(自身を除く): 12751441875

約数列:

[1, 3, 7, 9, 21, 63, 113, 131, 339, 393, 791, 917, 1017, 1179, 2373, 2751, 7119, 8253, 14803, 20161, 44409, 60483, 103621, 133227, 141127, 181449, 310863, 423381, 932589, 1270143, 2278193, 2641091, 6834579, 7923273, 15947351, 18487637, 20503737, 23769819, 47842053, 55462911, 143526159, 166388733, 298443283, 895329849, 2089102981, 2685989547, 6267308943, 18801926829]

約数ペア:

[(1, 18801926829), (3, 6267308943), (7, 2685989547), (9, 2089102981), (21, 895329849), (63, 298443283), (113, 166388733), (131, 143526159), (339, 55462911), (393, 47842053), (791, 23769819), (917, 20503737), (1017, 18487637), (1179, 15947351), (2373, 7923273), (2751, 6834579), (7119, 2641091), (8253, 2278193), (14803, 1270143), (20161, 932589), (44409, 423381), (60483, 310863), (103621, 181449), (133227, 141127)]