19920208

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 160

約数和(自身を含む): 54282240

約数和(自身を除く): 34362032

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 23, 28, 37, 38, 44, 46, 56, 74, 76, 77, 88, 92, 112, 133, 148, 152, 154, 161, 176, 184, 209, 253, 259, 266, 296, 304, 308, 322, 368, 407, 418, 437, 506, 518, 532, 592, 616, 644, 703, 814, 836, 851, 874, 1012, 1036, 1064, 1232, 1288, 1406, 1463, 1628, 1672, 1702, 1748, 1771, 2024, 2072, 2128, 2576, 2812, 2849, 2926, 3059, 3256, 3344, 3404, 3496, 3542, 4048, 4144, 4807, 4921, 5624, 5698, 5852, 5957, 6118, 6512, 6808, 6992, 7084, 7733, 9361, 9614, 9842, 11248, 11396, 11704, 11914, 12236, 13616, 14168, 15466, 16169, 18722, 19228, 19684, 22792, 23408, 23828, 24472, 28336, 30932, 32338, 33649, 37444, 38456, 39368, 45584, 47656, 48944, 54131, 61864, 64676, 65527, 67298, 74888, 76912, 78736, 95312, 108262, 113183, 123728, 129352, 131054, 134596, 149776, 177859, 216524, 226366, 258704, 262108, 269192, 355718, 433048, 452732, 524216, 538384, 711436, 866096, 905464, 1048432, 1245013, 1422872, 1810928, 2490026, 2845744, 4980052, 9960104, 19920208]

約数ペア:

[(1, 19920208), (2, 9960104), (4, 4980052), (7, 2845744), (8, 2490026), (11, 1810928), (14, 1422872), (16, 1245013), (19, 1048432), (22, 905464), (23, 866096), (28, 711436), (37, 538384), (38, 524216), (44, 452732), (46, 433048), (56, 355718), (74, 269192), (76, 262108), (77, 258704), (88, 226366), (92, 216524), (112, 177859), (133, 149776), (148, 134596), (152, 131054), (154, 129352), (161, 123728), (176, 113183), (184, 108262), (209, 95312), (253, 78736), (259, 76912), (266, 74888), (296, 67298), (304, 65527), (308, 64676), (322, 61864), (368, 54131), (407, 48944), (418, 47656), (437, 45584), (506, 39368), (518, 38456), (532, 37444), (592, 33649), (616, 32338), (644, 30932), (703, 28336), (814, 24472), (836, 23828), (851, 23408), (874, 22792), (1012, 19684), (1036, 19228), (1064, 18722), (1232, 16169), (1288, 15466), (1406, 14168), (1463, 13616), (1628, 12236), (1672, 11914), (1702, 11704), (1748, 11396), (1771, 11248), (2024, 9842), (2072, 9614), (2128, 9361), (2576, 7733), (2812, 7084), (2849, 6992), (2926, 6808), (3059, 6512), (3256, 6118), (3344, 5957), (3404, 5852), (3496, 5698), (3542, 5624), (4048, 4921), (4144, 4807)]