18761776

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{881}}^1$

素因数の和:922

約数の個数: 40

約数和(自身を含む): 40028688

約数和(自身を除く): 21266912

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 881, 968, 1331, 1762, 1936, 2662, 3524, 5324, 7048, 9691, 10648, 14096, 19382, 21296, 38764, 77528, 106601, 155056, 213202, 426404, 852808, 1172611, 1705616, 2345222, 4690444, 9380888, 18761776]

約数ペア:

[(1, 18761776), (2, 9380888), (4, 4690444), (8, 2345222), (11, 1705616), (16, 1172611), (22, 852808), (44, 426404), (88, 213202), (121, 155056), (176, 106601), (242, 77528), (484, 38764), (881, 21296), (968, 19382), (1331, 14096), (1762, 10648), (1936, 9691), (2662, 7048), (3524, 5324)]