19485081

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 36261888

約数和(自身を除く): 16776807

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 907, 1023, 1953, 2387, 2721, 3069, 6349, 7161, 8163, 9977, 19047, 21483, 28117, 29931, 57141, 69839, 84351, 89793, 196819, 209517, 253053, 309287, 590457, 628551, 927861, 1771371, 2165009, 2783583, 6495027, 19485081]

約数ペア:

[(1, 19485081), (3, 6495027), (7, 2783583), (9, 2165009), (11, 1771371), (21, 927861), (31, 628551), (33, 590457), (63, 309287), (77, 253053), (93, 209517), (99, 196819), (217, 89793), (231, 84351), (279, 69839), (341, 57141), (651, 29931), (693, 28117), (907, 21483), (1023, 19047), (1953, 9977), (2387, 8163), (2721, 7161), (3069, 6349)]