19455240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 256

約数和(自身を含む): 74649600

約数和(自身を除く): 55194360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 23, 24, 28, 30, 35, 38, 40, 42, 46, 53, 56, 57, 60, 69, 70, 76, 84, 92, 95, 105, 106, 114, 115, 120, 133, 138, 140, 152, 159, 161, 168, 184, 190, 210, 212, 228, 230, 265, 266, 276, 280, 285, 318, 322, 345, 371, 380, 399, 420, 424, 437, 456, 460, 483, 530, 532, 552, 570, 636, 644, 665, 690, 742, 760, 795, 798, 805, 840, 874, 920, 966, 1007, 1060, 1064, 1113, 1140, 1219, 1272, 1288, 1311, 1330, 1380, 1484, 1590, 1596, 1610, 1748, 1855, 1932, 1995, 2014, 2120, 2185, 2226, 2280, 2415, 2438, 2622, 2660, 2760, 2968, 3021, 3059, 3180, 3192, 3220, 3496, 3657, 3710, 3864, 3990, 4028, 4370, 4452, 4830, 4876, 5035, 5244, 5320, 5565, 6042, 6095, 6118, 6360, 6440, 6555, 7049, 7314, 7420, 7980, 8056, 8533, 8740, 8904, 9177, 9660, 9752, 10070, 10488, 11130, 12084, 12190, 12236, 13110, 14098, 14628, 14840, 15105, 15295, 15960, 17066, 17480, 18285, 18354, 19320, 20140, 21147, 22260, 23161, 24168, 24380, 24472, 25599, 26220, 28196, 29256, 30210, 30590, 34132, 35245, 36570, 36708, 40280, 42294, 42665, 44520, 45885, 46322, 48760, 51198, 52440, 56392, 60420, 61180, 68264, 69483, 70490, 73140, 73416, 84588, 85330, 91770, 92644, 102396, 105735, 115805, 120840, 122360, 127995, 138966, 140980, 146280, 162127, 169176, 170660, 183540, 185288, 204792, 211470, 231610, 255990, 277932, 281960, 324254, 341320, 347415, 367080, 422940, 463220, 486381, 511980, 555864, 648508, 694830, 810635, 845880, 926440, 972762, 1023960, 1297016, 1389660, 1621270, 1945524, 2431905, 2779320, 3242540, 3891048, 4863810, 6485080, 9727620, 19455240]

約数ペア:

[(1, 19455240), (2, 9727620), (3, 6485080), (4, 4863810), (5, 3891048), (6, 3242540), (7, 2779320), (8, 2431905), (10, 1945524), (12, 1621270), (14, 1389660), (15, 1297016), (19, 1023960), (20, 972762), (21, 926440), (23, 845880), (24, 810635), (28, 694830), (30, 648508), (35, 555864), (38, 511980), (40, 486381), (42, 463220), (46, 422940), (53, 367080), (56, 347415), (57, 341320), (60, 324254), (69, 281960), (70, 277932), (76, 255990), (84, 231610), (92, 211470), (95, 204792), (105, 185288), (106, 183540), (114, 170660), (115, 169176), (120, 162127), (133, 146280), (138, 140980), (140, 138966), (152, 127995), (159, 122360), (161, 120840), (168, 115805), (184, 105735), (190, 102396), (210, 92644), (212, 91770), (228, 85330), (230, 84588), (265, 73416), (266, 73140), (276, 70490), (280, 69483), (285, 68264), (318, 61180), (322, 60420), (345, 56392), (371, 52440), (380, 51198), (399, 48760), (420, 46322), (424, 45885), (437, 44520), (456, 42665), (460, 42294), (483, 40280), (530, 36708), (532, 36570), (552, 35245), (570, 34132), (636, 30590), (644, 30210), (665, 29256), (690, 28196), (742, 26220), (760, 25599), (795, 24472), (798, 24380), (805, 24168), (840, 23161), (874, 22260), (920, 21147), (966, 20140), (1007, 19320), (1060, 18354), (1064, 18285), (1113, 17480), (1140, 17066), (1219, 15960), (1272, 15295), (1288, 15105), (1311, 14840), (1330, 14628), (1380, 14098), (1484, 13110), (1590, 12236), (1596, 12190), (1610, 12084), (1748, 11130), (1855, 10488), (1932, 10070), (1995, 9752), (2014, 9660), (2120, 9177), (2185, 8904), (2226, 8740), (2280, 8533), (2415, 8056), (2438, 7980), (2622, 7420), (2660, 7314), (2760, 7049), (2968, 6555), (3021, 6440), (3059, 6360), (3180, 6118), (3192, 6095), (3220, 6042), (3496, 5565), (3657, 5320), (3710, 5244), (3864, 5035), (3990, 4876), (4028, 4830), (4370, 4452)]