1997812912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{47969}}^1$

素因数の和:48133

約数の個数: 40

約数和(自身を含む): 4104313200

約数和(自身を除く): 2106500288

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 548, 1096, 2192, 2603, 5206, 10412, 20824, 41648, 47969, 95938, 191876, 383752, 767504, 911411, 1822822, 3645644, 6571753, 7291288, 13143506, 14582576, 26287012, 52574024, 105148048, 124863307, 249726614, 499453228, 998906456, 1997812912]

約数ペア:

[(1, 1997812912), (2, 998906456), (4, 499453228), (8, 249726614), (16, 124863307), (19, 105148048), (38, 52574024), (76, 26287012), (137, 14582576), (152, 13143506), (274, 7291288), (304, 6571753), (548, 3645644), (1096, 1822822), (2192, 911411), (2603, 767504), (5206, 383752), (10412, 191876), (20824, 95938), (41648, 47969)]