19516304

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42061}}^1$

素因数の和:42098

約数の個数: 20

約数和(自身を含む): 39117660

約数和(自身を除く): 19601356

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42061, 84122, 168244, 336488, 672976, 1219769, 2439538, 4879076, 9758152, 19516304]

約数ペア:

[(1, 19516304), (2, 9758152), (4, 4879076), (8, 2439538), (16, 1219769), (29, 672976), (58, 336488), (116, 168244), (232, 84122), (464, 42061)]