18589788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1127

約数の個数: 72

約数和(自身を含む): 54512640

約数和(自身を除く): 35922852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1039, 1278, 1491, 1988, 2078, 2556, 2982, 3117, 4156, 4473, 5964, 6234, 7273, 8946, 9351, 12468, 14546, 17892, 18702, 21819, 29092, 37404, 43638, 65457, 73769, 87276, 130914, 147538, 221307, 261828, 295076, 442614, 516383, 663921, 885228, 1032766, 1327842, 1549149, 2065532, 2655684, 3098298, 4647447, 6196596, 9294894, 18589788]

約数ペア:

[(1, 18589788), (2, 9294894), (3, 6196596), (4, 4647447), (6, 3098298), (7, 2655684), (9, 2065532), (12, 1549149), (14, 1327842), (18, 1032766), (21, 885228), (28, 663921), (36, 516383), (42, 442614), (63, 295076), (71, 261828), (84, 221307), (126, 147538), (142, 130914), (213, 87276), (252, 73769), (284, 65457), (426, 43638), (497, 37404), (639, 29092), (852, 21819), (994, 18702), (1039, 17892), (1278, 14546), (1491, 12468), (1988, 9351), (2078, 8946), (2556, 7273), (2982, 6234), (3117, 5964), (4156, 4473)]