18557584

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28289}}^1$

素因数の和:28338

約数の個数: 20

約数和(自身を含む): 36833580

約数和(自身を除く): 18275996

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28289, 56578, 113156, 226312, 452624, 1159849, 2319698, 4639396, 9278792, 18557584]

約数ペア:

[(1, 18557584), (2, 9278792), (4, 4639396), (8, 2319698), (16, 1159849), (41, 452624), (82, 226312), (164, 113156), (328, 56578), (656, 28289)]