19451288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1753}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 38938800

約数和(自身を除く): 19487512

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 1753, 2774, 3506, 5548, 7012, 11096, 14024, 33307, 66614, 127969, 133228, 255938, 266456, 511876, 1023752, 2431411, 4862822, 9725644, 19451288]

約数ペア:

[(1, 19451288), (2, 9725644), (4, 4862822), (8, 2431411), (19, 1023752), (38, 511876), (73, 266456), (76, 255938), (146, 133228), (152, 127969), (292, 66614), (584, 33307), (1387, 14024), (1753, 11096), (2774, 7012), (3506, 5548)]