19872552

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 61286400

約数和(自身を除く): 41413848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 37, 42, 46, 56, 69, 74, 84, 92, 111, 138, 139, 148, 161, 168, 184, 222, 259, 276, 278, 296, 322, 417, 444, 483, 518, 552, 556, 644, 777, 834, 851, 888, 966, 973, 1036, 1112, 1288, 1554, 1668, 1702, 1932, 1946, 2072, 2553, 2919, 3108, 3197, 3336, 3404, 3864, 3892, 5106, 5143, 5838, 5957, 6216, 6394, 6808, 7784, 9591, 10212, 10286, 11676, 11914, 12788, 15429, 17871, 19182, 20424, 20572, 22379, 23352, 23828, 25576, 30858, 35742, 36001, 38364, 41144, 44758, 47656, 61716, 67137, 71484, 72002, 76728, 89516, 108003, 118289, 123432, 134274, 142968, 144004, 179032, 216006, 236578, 268548, 288008, 354867, 432012, 473156, 537096, 709734, 828023, 864024, 946312, 1419468, 1656046, 2484069, 2838936, 3312092, 4968138, 6624184, 9936276, 19872552]

約数ペア:

[(1, 19872552), (2, 9936276), (3, 6624184), (4, 4968138), (6, 3312092), (7, 2838936), (8, 2484069), (12, 1656046), (14, 1419468), (21, 946312), (23, 864024), (24, 828023), (28, 709734), (37, 537096), (42, 473156), (46, 432012), (56, 354867), (69, 288008), (74, 268548), (84, 236578), (92, 216006), (111, 179032), (138, 144004), (139, 142968), (148, 134274), (161, 123432), (168, 118289), (184, 108003), (222, 89516), (259, 76728), (276, 72002), (278, 71484), (296, 67137), (322, 61716), (417, 47656), (444, 44758), (483, 41144), (518, 38364), (552, 36001), (556, 35742), (644, 30858), (777, 25576), (834, 23828), (851, 23352), (888, 22379), (966, 20572), (973, 20424), (1036, 19182), (1112, 17871), (1288, 15429), (1554, 12788), (1668, 11914), (1702, 11676), (1932, 10286), (1946, 10212), (2072, 9591), (2553, 7784), (2919, 6808), (3108, 6394), (3197, 6216), (3336, 5957), (3404, 5838), (3864, 5143), (3892, 5106)]