19215671888

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{661}}^1\times {\mathrm{719}}^1$

素因数の和:1433

約数の個数: 120

約数和(自身を含む): 45036760320

約数和(自身を除く): 25821088432

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 361, 532, 661, 719, 722, 1064, 1322, 1438, 1444, 2128, 2527, 2644, 2876, 2888, 4627, 5033, 5054, 5288, 5752, 5776, 9254, 10066, 10108, 10576, 11504, 12559, 13661, 18508, 20132, 20216, 25118, 27322, 37016, 40264, 40432, 50236, 54644, 74032, 80528, 87913, 95627, 100472, 109288, 175826, 191254, 200944, 218576, 238621, 259559, 351652, 382508, 475259, 477242, 519118, 703304, 765016, 950518, 954484, 1038236, 1406608, 1530032, 1670347, 1816913, 1901036, 1908968, 2076472, 3326813, 3340694, 3633826, 3802072, 3817936, 4152944, 6653626, 6681388, 7267652, 7604144, 9029921, 13307252, 13362776, 14535304, 18059842, 26614504, 26725552, 29070608, 36119684, 53229008, 63209447, 72239368, 126418894, 144478736, 171568499, 252837788, 343136998, 505675576, 686273996, 1011351152, 1200979493, 1372547992, 2401958986, 2745095984, 4803917972, 9607835944, 19215671888]

約数ペア:

[(1, 19215671888), (2, 9607835944), (4, 4803917972), (7, 2745095984), (8, 2401958986), (14, 1372547992), (16, 1200979493), (19, 1011351152), (28, 686273996), (38, 505675576), (56, 343136998), (76, 252837788), (112, 171568499), (133, 144478736), (152, 126418894), (266, 72239368), (304, 63209447), (361, 53229008), (532, 36119684), (661, 29070608), (719, 26725552), (722, 26614504), (1064, 18059842), (1322, 14535304), (1438, 13362776), (1444, 13307252), (2128, 9029921), (2527, 7604144), (2644, 7267652), (2876, 6681388), (2888, 6653626), (4627, 4152944), (5033, 3817936), (5054, 3802072), (5288, 3633826), (5752, 3340694), (5776, 3326813), (9254, 2076472), (10066, 1908968), (10108, 1901036), (10576, 1816913), (11504, 1670347), (12559, 1530032), (13661, 1406608), (18508, 1038236), (20132, 954484), (20216, 950518), (25118, 765016), (27322, 703304), (37016, 519118), (40264, 477242), (40432, 475259), (50236, 382508), (54644, 351652), (74032, 259559), (80528, 238621), (87913, 218576), (95627, 200944), (100472, 191254), (109288, 175826)]