19648888

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 45216000

約数和(自身を除く): 25567112

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 59, 76, 118, 133, 152, 236, 266, 313, 413, 472, 532, 626, 826, 1064, 1121, 1252, 1652, 2191, 2242, 2504, 3304, 4382, 4484, 5947, 7847, 8764, 8968, 11894, 15694, 17528, 18467, 23788, 31388, 36934, 41629, 47576, 62776, 73868, 83258, 129269, 147736, 166516, 258538, 333032, 350873, 517076, 701746, 1034152, 1403492, 2456111, 2806984, 4912222, 9824444, 19648888]

約数ペア:

[(1, 19648888), (2, 9824444), (4, 4912222), (7, 2806984), (8, 2456111), (14, 1403492), (19, 1034152), (28, 701746), (38, 517076), (56, 350873), (59, 333032), (76, 258538), (118, 166516), (133, 147736), (152, 129269), (236, 83258), (266, 73868), (313, 62776), (413, 47576), (472, 41629), (532, 36934), (626, 31388), (826, 23788), (1064, 18467), (1121, 17528), (1252, 15694), (1652, 11894), (2191, 8968), (2242, 8764), (2504, 7847), (3304, 5947), (4382, 4484)]