19185404

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^3$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 41373696

約数和(自身を除く): 22188292

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 62, 92, 124, 161, 217, 322, 434, 644, 713, 868, 961, 1426, 1922, 2852, 3844, 4991, 6727, 9982, 13454, 19964, 22103, 26908, 29791, 44206, 59582, 88412, 119164, 154721, 208537, 309442, 417074, 618884, 685193, 834148, 1370386, 2740772, 4796351, 9592702, 19185404]

約数ペア:

[(1, 19185404), (2, 9592702), (4, 4796351), (7, 2740772), (14, 1370386), (23, 834148), (28, 685193), (31, 618884), (46, 417074), (62, 309442), (92, 208537), (124, 154721), (161, 119164), (217, 88412), (322, 59582), (434, 44206), (644, 29791), (713, 26908), (868, 22103), (961, 19964), (1426, 13454), (1922, 9982), (2852, 6727), (3844, 4991)]