19631920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3187}}^1$

素因数の和:3218

約数の個数: 80

約数和(自身を含む): 56924928

約数和(自身を除く): 37293008

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 3187, 6160, 6374, 12748, 15935, 22309, 25496, 31870, 35057, 44618, 50992, 63740, 70114, 89236, 111545, 127480, 140228, 175285, 178472, 223090, 245399, 254960, 280456, 350570, 356944, 446180, 490798, 560912, 701140, 892360, 981596, 1226995, 1402280, 1784720, 1963192, 2453990, 2804560, 3926384, 4907980, 9815960, 19631920]

約数ペア:

[(1, 19631920), (2, 9815960), (4, 4907980), (5, 3926384), (7, 2804560), (8, 2453990), (10, 1963192), (11, 1784720), (14, 1402280), (16, 1226995), (20, 981596), (22, 892360), (28, 701140), (35, 560912), (40, 490798), (44, 446180), (55, 356944), (56, 350570), (70, 280456), (77, 254960), (80, 245399), (88, 223090), (110, 178472), (112, 175285), (140, 140228), (154, 127480), (176, 111545), (220, 89236), (280, 70114), (308, 63740), (385, 50992), (440, 44618), (560, 35057), (616, 31870), (770, 25496), (880, 22309), (1232, 15935), (1540, 12748), (3080, 6374), (3187, 6160)]