18440868

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2844

約数の個数: 48

約数和(自身を含む): 46872000

約数和(自身を除く): 28431132

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 114, 116, 174, 228, 348, 551, 1102, 1653, 2204, 2789, 3306, 5578, 6612, 8367, 11156, 16734, 33468, 52991, 80881, 105982, 158973, 161762, 211964, 242643, 317946, 323524, 485286, 635892, 970572, 1536739, 3073478, 4610217, 6146956, 9220434, 18440868]

約数ペア:

[(1, 18440868), (2, 9220434), (3, 6146956), (4, 4610217), (6, 3073478), (12, 1536739), (19, 970572), (29, 635892), (38, 485286), (57, 323524), (58, 317946), (76, 242643), (87, 211964), (114, 161762), (116, 158973), (174, 105982), (228, 80881), (348, 52991), (551, 33468), (1102, 16734), (1653, 11156), (2204, 8367), (2789, 6612), (3306, 5578)]