19906728

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 53343360

約数和(自身を除く): 33436632

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 97, 102, 136, 194, 204, 291, 388, 408, 503, 582, 776, 1006, 1164, 1509, 1649, 2012, 2328, 3018, 3298, 4024, 4947, 6036, 6596, 8551, 9894, 12072, 13192, 17102, 19788, 25653, 34204, 39576, 48791, 51306, 68408, 97582, 102612, 146373, 195164, 205224, 292746, 390328, 585492, 829447, 1170984, 1658894, 2488341, 3317788, 4976682, 6635576, 9953364, 19906728]

約数ペア:

[(1, 19906728), (2, 9953364), (3, 6635576), (4, 4976682), (6, 3317788), (8, 2488341), (12, 1658894), (17, 1170984), (24, 829447), (34, 585492), (51, 390328), (68, 292746), (97, 205224), (102, 195164), (136, 146373), (194, 102612), (204, 97582), (291, 68408), (388, 51306), (408, 48791), (503, 39576), (582, 34204), (776, 25653), (1006, 19788), (1164, 17102), (1509, 13192), (1649, 12072), (2012, 9894), (2328, 8551), (3018, 6596), (3298, 6036), (4024, 4947)]