19984656

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1336

約数の個数: 80

約数和(自身を含む): 57585600

約数和(自身を除く): 37600944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 34, 38, 48, 51, 57, 68, 76, 102, 114, 136, 152, 204, 228, 272, 304, 323, 408, 456, 646, 816, 912, 969, 1289, 1292, 1938, 2578, 2584, 3867, 3876, 5156, 5168, 7734, 7752, 10312, 15468, 15504, 20624, 21913, 24491, 30936, 43826, 48982, 61872, 65739, 73473, 87652, 97964, 131478, 146946, 175304, 195928, 262956, 293892, 350608, 391856, 416347, 525912, 587784, 832694, 1051824, 1175568, 1249041, 1665388, 2498082, 3330776, 4996164, 6661552, 9992328, 19984656]

約数ペア:

[(1, 19984656), (2, 9992328), (3, 6661552), (4, 4996164), (6, 3330776), (8, 2498082), (12, 1665388), (16, 1249041), (17, 1175568), (19, 1051824), (24, 832694), (34, 587784), (38, 525912), (48, 416347), (51, 391856), (57, 350608), (68, 293892), (76, 262956), (102, 195928), (114, 175304), (136, 146946), (152, 131478), (204, 97964), (228, 87652), (272, 73473), (304, 65739), (323, 61872), (408, 48982), (456, 43826), (646, 30936), (816, 24491), (912, 21913), (969, 20624), (1289, 15504), (1292, 15468), (1938, 10312), (2578, 7752), (2584, 7734), (3867, 5168), (3876, 5156)]