18184976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1459}}^1$

素因数の和:1527

約数の個数: 40

約数和(自身を含む): 38018400

約数和(自身を除く): 19833424

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1459, 1558, 2918, 3116, 5836, 6232, 11672, 12464, 23344, 27721, 55442, 59819, 110884, 119638, 221768, 239276, 443536, 478552, 957104, 1136561, 2273122, 4546244, 9092488, 18184976]

約数ペア:

[(1, 18184976), (2, 9092488), (4, 4546244), (8, 2273122), (16, 1136561), (19, 957104), (38, 478552), (41, 443536), (76, 239276), (82, 221768), (152, 119638), (164, 110884), (304, 59819), (328, 55442), (656, 27721), (779, 23344), (1459, 12464), (1558, 11672), (2918, 6232), (3116, 5836)]