18940768

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7687}}^1$

素因数の和:7715

約数の個数: 48

約数和(自身を含む): 46497024

約数和(自身を除く): 27556256

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 7687, 15374, 30748, 53809, 61496, 84557, 107618, 122992, 169114, 215236, 245984, 338228, 430472, 591899, 676456, 860944, 1183798, 1352912, 1721888, 2367596, 2705824, 4735192, 9470384, 18940768]

約数ペア:

[(1, 18940768), (2, 9470384), (4, 4735192), (7, 2705824), (8, 2367596), (11, 1721888), (14, 1352912), (16, 1183798), (22, 860944), (28, 676456), (32, 591899), (44, 430472), (56, 338228), (77, 245984), (88, 215236), (112, 169114), (154, 122992), (176, 107618), (224, 84557), (308, 61496), (352, 53809), (616, 30748), (1232, 15374), (2464, 7687)]