219679938

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:661

約数の個数: 80

約数和(自身を含む): 522720000

約数和(自身を除く): 303040062

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 149, 162, 171, 298, 342, 447, 479, 513, 894, 958, 1026, 1341, 1437, 1539, 2682, 2831, 2874, 3078, 4023, 4311, 5662, 8046, 8493, 8622, 9101, 12069, 12933, 16986, 18202, 24138, 25479, 25866, 27303, 38799, 50958, 54606, 71371, 76437, 77598, 81909, 142742, 152874, 163818, 214113, 229311, 245727, 428226, 458622, 491454, 642339, 737181, 1284678, 1356049, 1474362, 1927017, 2712098, 3854034, 4068147, 5781051, 8136294, 11562102, 12204441, 24408882, 36613323, 73226646, 109839969, 219679938]

約数ペア:

[(1, 219679938), (2, 109839969), (3, 73226646), (6, 36613323), (9, 24408882), (18, 12204441), (19, 11562102), (27, 8136294), (38, 5781051), (54, 4068147), (57, 3854034), (81, 2712098), (114, 1927017), (149, 1474362), (162, 1356049), (171, 1284678), (298, 737181), (342, 642339), (447, 491454), (479, 458622), (513, 428226), (894, 245727), (958, 229311), (1026, 214113), (1341, 163818), (1437, 152874), (1539, 142742), (2682, 81909), (2831, 77598), (2874, 76437), (3078, 71371), (4023, 54606), (4311, 50958), (5662, 38799), (8046, 27303), (8493, 25866), (8622, 25479), (9101, 24138), (12069, 18202), (12933, 16986)]