18881104

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107279}}^1$

素因数の和:107298

約数の個数: 20

約数和(自身を含む): 39908160

約数和(自身を除く): 21027056

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 107279, 214558, 429116, 858232, 1180069, 1716464, 2360138, 4720276, 9440552, 18881104]

約数ペア:

[(1, 18881104), (2, 9440552), (4, 4720276), (8, 2360138), (11, 1716464), (16, 1180069), (22, 858232), (44, 429116), (88, 214558), (176, 107279)]