18904628848

素因数分解:

$2^4\times 7^4\times {\mathrm{492103}}^1$

素因数の和:492139

約数の個数: 50

約数和(自身を含む): 42729882424

約数和(自身を除く): 23825253576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2401, 2744, 4802, 5488, 9604, 19208, 38416, 492103, 984206, 1968412, 3444721, 3936824, 6889442, 7873648, 13778884, 24113047, 27557768, 48226094, 55115536, 96452188, 168791329, 192904376, 337582658, 385808752, 675165316, 1181539303, 1350330632, 2363078606, 2700661264, 4726157212, 9452314424, 18904628848]

約数ペア:

[(1, 18904628848), (2, 9452314424), (4, 4726157212), (7, 2700661264), (8, 2363078606), (14, 1350330632), (16, 1181539303), (28, 675165316), (49, 385808752), (56, 337582658), (98, 192904376), (112, 168791329), (196, 96452188), (343, 55115536), (392, 48226094), (686, 27557768), (784, 24113047), (1372, 13778884), (2401, 7873648), (2744, 6889442), (4802, 3936824), (5488, 3444721), (9604, 1968412), (19208, 984206), (38416, 492103)]