19201728

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 168

約数和(自身を含む): 64050672

約数和(自身を除く): 44848944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 64, 78, 84, 91, 96, 98, 104, 112, 147, 156, 157, 168, 182, 192, 196, 208, 224, 273, 294, 312, 314, 336, 364, 392, 416, 448, 471, 546, 588, 624, 628, 637, 672, 728, 784, 832, 942, 1092, 1099, 1176, 1248, 1256, 1274, 1344, 1456, 1568, 1884, 1911, 2041, 2184, 2198, 2352, 2496, 2512, 2548, 2912, 3136, 3297, 3768, 3822, 4082, 4368, 4396, 4704, 5024, 5096, 5824, 6123, 6594, 7536, 7644, 7693, 8164, 8736, 8792, 9408, 10048, 10192, 12246, 13188, 14287, 15072, 15288, 15386, 16328, 17472, 17584, 20384, 23079, 24492, 26376, 28574, 30144, 30576, 30772, 32656, 35168, 40768, 42861, 46158, 48984, 52752, 57148, 61152, 61544, 65312, 70336, 85722, 92316, 97968, 100009, 105504, 114296, 122304, 123088, 130624, 171444, 184632, 195936, 200018, 211008, 228592, 246176, 300027, 342888, 369264, 391872, 400036, 457184, 492352, 600054, 685776, 738528, 800072, 914368, 1200108, 1371552, 1477056, 1600144, 2400216, 2743104, 3200288, 4800432, 6400576, 9600864, 19201728]

約数ペア:

[(1, 19201728), (2, 9600864), (3, 6400576), (4, 4800432), (6, 3200288), (7, 2743104), (8, 2400216), (12, 1600144), (13, 1477056), (14, 1371552), (16, 1200108), (21, 914368), (24, 800072), (26, 738528), (28, 685776), (32, 600054), (39, 492352), (42, 457184), (48, 400036), (49, 391872), (52, 369264), (56, 342888), (64, 300027), (78, 246176), (84, 228592), (91, 211008), (96, 200018), (98, 195936), (104, 184632), (112, 171444), (147, 130624), (156, 123088), (157, 122304), (168, 114296), (182, 105504), (192, 100009), (196, 97968), (208, 92316), (224, 85722), (273, 70336), (294, 65312), (312, 61544), (314, 61152), (336, 57148), (364, 52752), (392, 48984), (416, 46158), (448, 42861), (471, 40768), (546, 35168), (588, 32656), (624, 30772), (628, 30576), (637, 30144), (672, 28574), (728, 26376), (784, 24492), (832, 23079), (942, 20384), (1092, 17584), (1099, 17472), (1176, 16328), (1248, 15386), (1256, 15288), (1274, 15072), (1344, 14287), (1456, 13188), (1568, 12246), (1884, 10192), (1911, 10048), (2041, 9408), (2184, 8792), (2198, 8736), (2352, 8164), (2496, 7693), (2512, 7644), (2548, 7536), (2912, 6594), (3136, 6123), (3297, 5824), (3768, 5096), (3822, 5024), (4082, 4704), (4368, 4396)]