19557076

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 44585856

約数和(自身を除く): 25028780

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 49, 77, 94, 98, 154, 188, 193, 196, 308, 329, 386, 517, 539, 658, 772, 1034, 1078, 1316, 1351, 2068, 2123, 2156, 2303, 2702, 3619, 4246, 4606, 5404, 7238, 8492, 9071, 9212, 9457, 14476, 14861, 18142, 18914, 25333, 29722, 36284, 37828, 50666, 59444, 63497, 99781, 101332, 104027, 126994, 199562, 208054, 253988, 399124, 416108, 444479, 698467, 888958, 1396934, 1777916, 2793868, 4889269, 9778538, 19557076]

約数ペア:

[(1, 19557076), (2, 9778538), (4, 4889269), (7, 2793868), (11, 1777916), (14, 1396934), (22, 888958), (28, 698467), (44, 444479), (47, 416108), (49, 399124), (77, 253988), (94, 208054), (98, 199562), (154, 126994), (188, 104027), (193, 101332), (196, 99781), (308, 63497), (329, 59444), (386, 50666), (517, 37828), (539, 36284), (658, 29722), (772, 25333), (1034, 18914), (1078, 18142), (1316, 14861), (1351, 14476), (2068, 9457), (2123, 9212), (2156, 9071), (2303, 8492), (2702, 7238), (3619, 5404), (4246, 4606)]