19081678

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 37559808

約数和(自身を除く): 18478130

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 98, 154, 217, 341, 434, 539, 571, 682, 1078, 1142, 1519, 2387, 3038, 3997, 4774, 6281, 7994, 12562, 16709, 17701, 27979, 33418, 35402, 43967, 55958, 87934, 123907, 194711, 247814, 307769, 389422, 615538, 867349, 1362977, 1734698, 2725954, 9540839, 19081678]

約数ペア:

[(1, 19081678), (2, 9540839), (7, 2725954), (11, 1734698), (14, 1362977), (22, 867349), (31, 615538), (49, 389422), (62, 307769), (77, 247814), (98, 194711), (154, 123907), (217, 87934), (341, 55958), (434, 43967), (539, 35402), (571, 33418), (682, 27979), (1078, 17701), (1142, 16709), (1519, 12562), (2387, 7994), (3038, 6281), (3997, 4774)]