19488420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15467}}^1$

素因数の和:15489

約数の個数: 72

約数和(自身を含む): 67564224

約数和(自身を除く): 48075804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15467, 30934, 46401, 61868, 77335, 92802, 108269, 139203, 154670, 185604, 216538, 232005, 278406, 309340, 324807, 433076, 464010, 541345, 556812, 649614, 696015, 928020, 974421, 1082690, 1299228, 1392030, 1624035, 1948842, 2165380, 2784060, 3248070, 3897684, 4872105, 6496140, 9744210, 19488420]

約数ペア:

[(1, 19488420), (2, 9744210), (3, 6496140), (4, 4872105), (5, 3897684), (6, 3248070), (7, 2784060), (9, 2165380), (10, 1948842), (12, 1624035), (14, 1392030), (15, 1299228), (18, 1082690), (20, 974421), (21, 928020), (28, 696015), (30, 649614), (35, 556812), (36, 541345), (42, 464010), (45, 433076), (60, 324807), (63, 309340), (70, 278406), (84, 232005), (90, 216538), (105, 185604), (126, 154670), (140, 139203), (180, 108269), (210, 92802), (252, 77335), (315, 61868), (420, 46401), (630, 30934), (1260, 15467)]