18892456

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{673}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 40338900

約数和(自身を除く): 21446444

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 121, 232, 242, 319, 484, 638, 673, 968, 1276, 1346, 2552, 2692, 3509, 5384, 7018, 7403, 14036, 14806, 19517, 28072, 29612, 39034, 59224, 78068, 81433, 156136, 162866, 214687, 325732, 429374, 651464, 858748, 1717496, 2361557, 4723114, 9446228, 18892456]

約数ペア:

[(1, 18892456), (2, 9446228), (4, 4723114), (8, 2361557), (11, 1717496), (22, 858748), (29, 651464), (44, 429374), (58, 325732), (88, 214687), (116, 162866), (121, 156136), (232, 81433), (242, 78068), (319, 59224), (484, 39034), (638, 29612), (673, 28072), (968, 19517), (1276, 14806), (1346, 14036), (2552, 7403), (2692, 7018), (3509, 5384)]