19028880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:158

約数の個数: 240

約数和(自身を含む): 73120320

約数和(自身を除く): 54091440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 107, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 214, 228, 234, 240, 247, 260, 285, 304, 312, 321, 342, 360, 380, 390, 428, 456, 468, 494, 520, 535, 570, 585, 624, 642, 684, 720, 741, 760, 780, 855, 856, 912, 936, 963, 988, 1040, 1070, 1140, 1170, 1235, 1284, 1368, 1391, 1482, 1520, 1560, 1605, 1710, 1712, 1872, 1926, 1976, 2033, 2140, 2223, 2280, 2340, 2470, 2568, 2736, 2782, 2964, 3120, 3210, 3420, 3705, 3852, 3952, 4066, 4173, 4280, 4446, 4560, 4680, 4815, 4940, 5136, 5564, 5928, 6099, 6420, 6840, 6955, 7410, 7704, 8132, 8346, 8560, 8892, 9360, 9630, 9880, 10165, 11115, 11128, 11856, 12198, 12519, 12840, 13680, 13910, 14820, 15408, 16264, 16692, 17784, 18297, 19260, 19760, 20330, 20865, 22230, 22256, 24396, 25038, 25680, 26429, 27820, 29640, 30495, 32528, 33384, 35568, 36594, 38520, 40660, 41730, 44460, 48792, 50076, 52858, 55640, 59280, 60990, 62595, 66768, 73188, 77040, 79287, 81320, 83460, 88920, 91485, 97584, 100152, 105716, 111280, 121980, 125190, 132145, 146376, 158574, 162640, 166920, 177840, 182970, 200304, 211432, 237861, 243960, 250380, 264290, 292752, 317148, 333840, 365940, 396435, 422864, 475722, 487920, 500760, 528580, 634296, 731880, 792870, 951444, 1001520, 1057160, 1189305, 1268592, 1463760, 1585740, 1902888, 2114320, 2378610, 3171480, 3805776, 4757220, 6342960, 9514440, 19028880]

約数ペア:

[(1, 19028880), (2, 9514440), (3, 6342960), (4, 4757220), (5, 3805776), (6, 3171480), (8, 2378610), (9, 2114320), (10, 1902888), (12, 1585740), (13, 1463760), (15, 1268592), (16, 1189305), (18, 1057160), (19, 1001520), (20, 951444), (24, 792870), (26, 731880), (30, 634296), (36, 528580), (38, 500760), (39, 487920), (40, 475722), (45, 422864), (48, 396435), (52, 365940), (57, 333840), (60, 317148), (65, 292752), (72, 264290), (76, 250380), (78, 243960), (80, 237861), (90, 211432), (95, 200304), (104, 182970), (107, 177840), (114, 166920), (117, 162640), (120, 158574), (130, 146376), (144, 132145), (152, 125190), (156, 121980), (171, 111280), (180, 105716), (190, 100152), (195, 97584), (208, 91485), (214, 88920), (228, 83460), (234, 81320), (240, 79287), (247, 77040), (260, 73188), (285, 66768), (304, 62595), (312, 60990), (321, 59280), (342, 55640), (360, 52858), (380, 50076), (390, 48792), (428, 44460), (456, 41730), (468, 40660), (494, 38520), (520, 36594), (535, 35568), (570, 33384), (585, 32528), (624, 30495), (642, 29640), (684, 27820), (720, 26429), (741, 25680), (760, 25038), (780, 24396), (855, 22256), (856, 22230), (912, 20865), (936, 20330), (963, 19760), (988, 19260), (1040, 18297), (1070, 17784), (1140, 16692), (1170, 16264), (1235, 15408), (1284, 14820), (1368, 13910), (1391, 13680), (1482, 12840), (1520, 12519), (1560, 12198), (1605, 11856), (1710, 11128), (1712, 11115), (1872, 10165), (1926, 9880), (1976, 9630), (2033, 9360), (2140, 8892), (2223, 8560), (2280, 8346), (2340, 8132), (2470, 7704), (2568, 7410), (2736, 6955), (2782, 6840), (2964, 6420), (3120, 6099), (3210, 5928), (3420, 5564), (3705, 5136), (3852, 4940), (3952, 4815), (4066, 4680), (4173, 4560), (4280, 4446)]