20187158

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 12990442

約数列:

[1, 2, 19, 38, 47, 89, 94, 127, 178, 254, 893, 1691, 1786, 2413, 3382, 4183, 4826, 5969, 8366, 11303, 11938, 22606, 79477, 113411, 158954, 214757, 226822, 429514, 531241, 1062482, 10093579, 20187158]

約数ペア:

[(1, 20187158), (2, 10093579), (19, 1062482), (38, 531241), (47, 429514), (89, 226822), (94, 214757), (127, 158954), (178, 113411), (254, 79477), (893, 22606), (1691, 11938), (1786, 11303), (2413, 8366), (3382, 5969), (4183, 4826)]