18865084

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{16433}}^1$

素因数の和:16485

約数の個数: 24

約数和(自身を含む): 38652768

約数和(自身を除く): 19787684

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 16433, 32866, 65732, 115031, 230062, 460124, 673753, 1347506, 2695012, 4716271, 9432542, 18865084]

約数ペア:

[(1, 18865084), (2, 9432542), (4, 4716271), (7, 2695012), (14, 1347506), (28, 673753), (41, 460124), (82, 230062), (164, 115031), (287, 65732), (574, 32866), (1148, 16433)]