18843440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 240

約数和(自身を含む): 61067520

約数和(自身を除く): 42224080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 23, 28, 35, 38, 40, 44, 46, 49, 55, 56, 70, 76, 77, 80, 88, 92, 95, 98, 110, 112, 115, 133, 140, 152, 154, 161, 176, 184, 190, 196, 209, 220, 230, 245, 253, 266, 280, 304, 308, 322, 368, 380, 385, 392, 418, 437, 440, 460, 490, 506, 532, 539, 560, 616, 644, 665, 760, 770, 784, 805, 836, 874, 880, 920, 931, 980, 1012, 1045, 1064, 1078, 1127, 1232, 1265, 1288, 1330, 1463, 1520, 1540, 1610, 1672, 1748, 1771, 1840, 1862, 1960, 2024, 2090, 2128, 2156, 2185, 2254, 2530, 2576, 2660, 2695, 2926, 3059, 3080, 3220, 3344, 3496, 3542, 3724, 3920, 4048, 4180, 4312, 4370, 4508, 4655, 4807, 5060, 5320, 5390, 5635, 5852, 6118, 6160, 6440, 6992, 7084, 7315, 7448, 8360, 8624, 8740, 8855, 9016, 9310, 9614, 10120, 10241, 10640, 10780, 11270, 11704, 12236, 12397, 12880, 14168, 14630, 14896, 15295, 16720, 17480, 17710, 18032, 18620, 19228, 20240, 20482, 21413, 21560, 22540, 23408, 24035, 24472, 24794, 28336, 29260, 30590, 33649, 34960, 35420, 37240, 38456, 40964, 42826, 43120, 45080, 48070, 48944, 49588, 51205, 58520, 61180, 61985, 67298, 70840, 74480, 76912, 81928, 85652, 90160, 96140, 99176, 102410, 107065, 117040, 122360, 123970, 134596, 141680, 163856, 168245, 171304, 192280, 198352, 204820, 214130, 235543, 244720, 247940, 269192, 336490, 342608, 384560, 409640, 428260, 471086, 495880, 538384, 672980, 819280, 856520, 942172, 991760, 1177715, 1345960, 1713040, 1884344, 2355430, 2691920, 3768688, 4710860, 9421720, 18843440]

約数ペア:

[(1, 18843440), (2, 9421720), (4, 4710860), (5, 3768688), (7, 2691920), (8, 2355430), (10, 1884344), (11, 1713040), (14, 1345960), (16, 1177715), (19, 991760), (20, 942172), (22, 856520), (23, 819280), (28, 672980), (35, 538384), (38, 495880), (40, 471086), (44, 428260), (46, 409640), (49, 384560), (55, 342608), (56, 336490), (70, 269192), (76, 247940), (77, 244720), (80, 235543), (88, 214130), (92, 204820), (95, 198352), (98, 192280), (110, 171304), (112, 168245), (115, 163856), (133, 141680), (140, 134596), (152, 123970), (154, 122360), (161, 117040), (176, 107065), (184, 102410), (190, 99176), (196, 96140), (209, 90160), (220, 85652), (230, 81928), (245, 76912), (253, 74480), (266, 70840), (280, 67298), (304, 61985), (308, 61180), (322, 58520), (368, 51205), (380, 49588), (385, 48944), (392, 48070), (418, 45080), (437, 43120), (440, 42826), (460, 40964), (490, 38456), (506, 37240), (532, 35420), (539, 34960), (560, 33649), (616, 30590), (644, 29260), (665, 28336), (760, 24794), (770, 24472), (784, 24035), (805, 23408), (836, 22540), (874, 21560), (880, 21413), (920, 20482), (931, 20240), (980, 19228), (1012, 18620), (1045, 18032), (1064, 17710), (1078, 17480), (1127, 16720), (1232, 15295), (1265, 14896), (1288, 14630), (1330, 14168), (1463, 12880), (1520, 12397), (1540, 12236), (1610, 11704), (1672, 11270), (1748, 10780), (1771, 10640), (1840, 10241), (1862, 10120), (1960, 9614), (2024, 9310), (2090, 9016), (2128, 8855), (2156, 8740), (2185, 8624), (2254, 8360), (2530, 7448), (2576, 7315), (2660, 7084), (2695, 6992), (2926, 6440), (3059, 6160), (3080, 6118), (3220, 5852), (3344, 5635), (3496, 5390), (3542, 5320), (3724, 5060), (3920, 4807), (4048, 4655), (4180, 4508), (4312, 4370)]