18575656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4909}}^1$

素因数の和:4969

約数の個数: 32

約数和(自身を含む): 38887200

約数和(自身を除く): 20311544

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 4909, 9818, 19636, 39272, 53999, 107998, 211087, 215996, 422174, 431992, 844348, 1688696, 2321957, 4643914, 9287828, 18575656]

約数ペア:

[(1, 18575656), (2, 9287828), (4, 4643914), (8, 2321957), (11, 1688696), (22, 844348), (43, 431992), (44, 422174), (86, 215996), (88, 211087), (172, 107998), (344, 53999), (473, 39272), (946, 19636), (1892, 9818), (3784, 4909)]