18895510088

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:444

約数の個数: 192

約数和(自身を含む): 44974080000

約数和(自身を除く): 26078569912

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 79, 91, 104, 127, 158, 169, 182, 199, 254, 316, 338, 364, 398, 508, 553, 632, 676, 728, 796, 889, 1016, 1027, 1106, 1183, 1352, 1393, 1592, 1651, 1778, 2054, 2212, 2366, 2587, 2786, 3302, 3556, 4108, 4424, 4732, 5174, 5572, 6604, 7112, 7189, 8216, 9464, 10033, 10348, 11144, 11557, 13208, 13351, 14378, 15721, 18109, 20066, 20696, 21463, 23114, 25273, 26702, 28756, 31442, 33631, 36218, 40132, 42926, 46228, 50546, 53404, 57512, 62884, 67262, 70231, 72436, 80264, 85852, 92456, 93457, 101092, 106808, 110047, 125768, 130429, 134524, 140462, 144872, 150241, 171704, 176911, 186914, 202184, 204373, 220094, 235417, 260858, 269048, 280924, 300482, 328549, 353822, 373828, 408746, 440188, 470834, 521716, 561848, 600964, 657098, 707644, 747656, 817492, 880376, 913003, 941668, 1043432, 1201928, 1314196, 1415288, 1430611, 1634984, 1695577, 1826006, 1883336, 1996567, 2299843, 2628392, 2656849, 2861222, 3391154, 3652012, 3993134, 4271137, 4599686, 5313698, 5722444, 6782308, 7304024, 7986268, 8542274, 9199372, 10627396, 11444888, 11869039, 13564616, 13975969, 15972536, 17084548, 18398744, 18597943, 21254792, 23738078, 25955371, 27951938, 29897959, 34169096, 37195886, 47476156, 51910742, 55903876, 59795918, 74391772, 94952312, 103821484, 111807752, 119591836, 148783544, 181687597, 207642968, 239183672, 337419823, 363375194, 674839646, 726750388, 1349679292, 1453500776, 2361938761, 2699358584, 4723877522, 9447755044, 18895510088]

約数ペア:

[(1, 18895510088), (2, 9447755044), (4, 4723877522), (7, 2699358584), (8, 2361938761), (13, 1453500776), (14, 1349679292), (26, 726750388), (28, 674839646), (52, 363375194), (56, 337419823), (79, 239183672), (91, 207642968), (104, 181687597), (127, 148783544), (158, 119591836), (169, 111807752), (182, 103821484), (199, 94952312), (254, 74391772), (316, 59795918), (338, 55903876), (364, 51910742), (398, 47476156), (508, 37195886), (553, 34169096), (632, 29897959), (676, 27951938), (728, 25955371), (796, 23738078), (889, 21254792), (1016, 18597943), (1027, 18398744), (1106, 17084548), (1183, 15972536), (1352, 13975969), (1393, 13564616), (1592, 11869039), (1651, 11444888), (1778, 10627396), (2054, 9199372), (2212, 8542274), (2366, 7986268), (2587, 7304024), (2786, 6782308), (3302, 5722444), (3556, 5313698), (4108, 4599686), (4424, 4271137), (4732, 3993134), (5174, 3652012), (5572, 3391154), (6604, 2861222), (7112, 2656849), (7189, 2628392), (8216, 2299843), (9464, 1996567), (10033, 1883336), (10348, 1826006), (11144, 1695577), (11557, 1634984), (13208, 1430611), (13351, 1415288), (14378, 1314196), (15721, 1201928), (18109, 1043432), (20066, 941668), (20696, 913003), (21463, 880376), (23114, 817492), (25273, 747656), (26702, 707644), (28756, 657098), (31442, 600964), (33631, 561848), (36218, 521716), (40132, 470834), (42926, 440188), (46228, 408746), (50546, 373828), (53404, 353822), (57512, 328549), (62884, 300482), (67262, 280924), (70231, 269048), (72436, 260858), (80264, 235417), (85852, 220094), (92456, 204373), (93457, 202184), (101092, 186914), (106808, 176911), (110047, 171704), (125768, 150241), (130429, 144872), (134524, 140462)]