18979525376

素因数分解:

$2^8\times 7^1\times {\mathrm{367}}^1\times {\mathrm{28859}}^1$

素因数の和:29249

約数の個数: 72

約数和(自身を含む): 43416522240

約数和(自身を除く): 24436996864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 367, 448, 734, 896, 1468, 1792, 2569, 2936, 5138, 5872, 10276, 11744, 20552, 23488, 28859, 41104, 46976, 57718, 82208, 93952, 115436, 164416, 202013, 230872, 328832, 404026, 461744, 657664, 808052, 923488, 1616104, 1846976, 3232208, 3693952, 6464416, 7387904, 10591253, 12928832, 21182506, 25857664, 42365012, 51715328, 74138771, 84730024, 148277542, 169460048, 296555084, 338920096, 593110168, 677840192, 1186220336, 1355680384, 2372440672, 2711360768, 4744881344, 9489762688, 18979525376]

約数ペア:

[(1, 18979525376), (2, 9489762688), (4, 4744881344), (7, 2711360768), (8, 2372440672), (14, 1355680384), (16, 1186220336), (28, 677840192), (32, 593110168), (56, 338920096), (64, 296555084), (112, 169460048), (128, 148277542), (224, 84730024), (256, 74138771), (367, 51715328), (448, 42365012), (734, 25857664), (896, 21182506), (1468, 12928832), (1792, 10591253), (2569, 7387904), (2936, 6464416), (5138, 3693952), (5872, 3232208), (10276, 1846976), (11744, 1616104), (20552, 923488), (23488, 808052), (28859, 657664), (41104, 461744), (46976, 404026), (57718, 328832), (82208, 230872), (93952, 202013), (115436, 164416)]