19872048

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 160

約数和(自身を含む): 64281600

約数和(自身を除く): 44409552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 49, 51, 56, 68, 71, 84, 98, 102, 112, 119, 136, 142, 147, 168, 196, 204, 213, 238, 272, 284, 294, 336, 343, 357, 392, 408, 426, 476, 497, 568, 588, 686, 714, 784, 816, 833, 852, 952, 994, 1029, 1136, 1176, 1207, 1372, 1428, 1491, 1666, 1704, 1904, 1988, 2058, 2352, 2414, 2499, 2744, 2856, 2982, 3332, 3408, 3479, 3621, 3976, 4116, 4828, 4998, 5488, 5712, 5831, 5964, 6664, 6958, 7242, 7952, 8232, 8449, 9656, 9996, 10437, 11662, 11928, 13328, 13916, 14484, 16464, 16898, 17493, 19312, 19992, 20874, 23324, 23856, 24353, 25347, 27832, 28968, 33796, 34986, 39984, 41748, 46648, 48706, 50694, 55664, 57936, 59143, 67592, 69972, 73059, 83496, 93296, 97412, 101388, 118286, 135184, 139944, 146118, 166992, 177429, 194824, 202776, 236572, 279888, 292236, 354858, 389648, 405552, 414001, 473144, 584472, 709716, 828002, 946288, 1168944, 1242003, 1419432, 1656004, 2484006, 2838864, 3312008, 4968012, 6624016, 9936024, 19872048]

約数ペア:

[(1, 19872048), (2, 9936024), (3, 6624016), (4, 4968012), (6, 3312008), (7, 2838864), (8, 2484006), (12, 1656004), (14, 1419432), (16, 1242003), (17, 1168944), (21, 946288), (24, 828002), (28, 709716), (34, 584472), (42, 473144), (48, 414001), (49, 405552), (51, 389648), (56, 354858), (68, 292236), (71, 279888), (84, 236572), (98, 202776), (102, 194824), (112, 177429), (119, 166992), (136, 146118), (142, 139944), (147, 135184), (168, 118286), (196, 101388), (204, 97412), (213, 93296), (238, 83496), (272, 73059), (284, 69972), (294, 67592), (336, 59143), (343, 57936), (357, 55664), (392, 50694), (408, 48706), (426, 46648), (476, 41748), (497, 39984), (568, 34986), (588, 33796), (686, 28968), (714, 27832), (784, 25347), (816, 24353), (833, 23856), (852, 23324), (952, 20874), (994, 19992), (1029, 19312), (1136, 17493), (1176, 16898), (1207, 16464), (1372, 14484), (1428, 13916), (1491, 13328), (1666, 11928), (1704, 11662), (1904, 10437), (1988, 9996), (2058, 9656), (2352, 8449), (2414, 8232), (2499, 7952), (2744, 7242), (2856, 6958), (2982, 6664), (3332, 5964), (3408, 5831), (3479, 5712), (3621, 5488), (3976, 4998), (4116, 4828)]