18860716

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2621}}^1$

素因数の和:2889

約数の個数: 24

約数和(自身を含む): 37882656

約数和(自身を除く): 19021940

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 2621, 3598, 5242, 7196, 10484, 18347, 36694, 73388, 673597, 1347194, 2694388, 4715179, 9430358, 18860716]

約数ペア:

[(1, 18860716), (2, 9430358), (4, 4715179), (7, 2694388), (14, 1347194), (28, 673597), (257, 73388), (514, 36694), (1028, 18347), (1799, 10484), (2621, 7196), (3598, 5242)]