18938472

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 54566400

約数和(自身を除く): 35627928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 139, 168, 278, 417, 556, 811, 834, 973, 1112, 1622, 1668, 1946, 2433, 2919, 3244, 3336, 3892, 4866, 5677, 5838, 6488, 7784, 9732, 11354, 11676, 17031, 19464, 22708, 23352, 34062, 45416, 68124, 112729, 136248, 225458, 338187, 450916, 676374, 789103, 901832, 1352748, 1578206, 2367309, 2705496, 3156412, 4734618, 6312824, 9469236, 18938472]

約数ペア:

[(1, 18938472), (2, 9469236), (3, 6312824), (4, 4734618), (6, 3156412), (7, 2705496), (8, 2367309), (12, 1578206), (14, 1352748), (21, 901832), (24, 789103), (28, 676374), (42, 450916), (56, 338187), (84, 225458), (139, 136248), (168, 112729), (278, 68124), (417, 45416), (556, 34062), (811, 23352), (834, 22708), (973, 19464), (1112, 17031), (1622, 11676), (1668, 11354), (1946, 9732), (2433, 7784), (2919, 6488), (3244, 5838), (3336, 5677), (3892, 4866)]