18866820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1549}}^1$

素因数の和:1597

約数の個数: 96

約数和(自身を含む): 62496000

約数和(自身を除く): 43629180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1549, 1740, 2030, 2436, 3045, 3098, 4060, 4647, 6090, 6196, 7745, 9294, 10843, 12180, 15490, 18588, 21686, 23235, 30980, 32529, 43372, 44921, 46470, 54215, 65058, 89842, 92940, 108430, 130116, 134763, 162645, 179684, 216860, 224605, 269526, 314447, 325290, 449210, 539052, 628894, 650580, 673815, 898420, 943341, 1257788, 1347630, 1572235, 1886682, 2695260, 3144470, 3773364, 4716705, 6288940, 9433410, 18866820]

約数ペア:

[(1, 18866820), (2, 9433410), (3, 6288940), (4, 4716705), (5, 3773364), (6, 3144470), (7, 2695260), (10, 1886682), (12, 1572235), (14, 1347630), (15, 1257788), (20, 943341), (21, 898420), (28, 673815), (29, 650580), (30, 628894), (35, 539052), (42, 449210), (58, 325290), (60, 314447), (70, 269526), (84, 224605), (87, 216860), (105, 179684), (116, 162645), (140, 134763), (145, 130116), (174, 108430), (203, 92940), (210, 89842), (290, 65058), (348, 54215), (406, 46470), (420, 44921), (435, 43372), (580, 32529), (609, 30980), (812, 23235), (870, 21686), (1015, 18588), (1218, 15490), (1549, 12180), (1740, 10843), (2030, 9294), (2436, 7745), (3045, 6196), (3098, 6090), (4060, 4647)]