18889752

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 54316800

約数和(自身を除く): 35427048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 229, 458, 491, 687, 916, 982, 1374, 1473, 1603, 1832, 1964, 2748, 2946, 3206, 3437, 3928, 4809, 5496, 5892, 6412, 6874, 9618, 10311, 11784, 12824, 13748, 19236, 20622, 27496, 38472, 41244, 82488, 112439, 224878, 337317, 449756, 674634, 787073, 899512, 1349268, 1574146, 2361219, 2698536, 3148292, 4722438, 6296584, 9444876, 18889752]

約数ペア:

[(1, 18889752), (2, 9444876), (3, 6296584), (4, 4722438), (6, 3148292), (7, 2698536), (8, 2361219), (12, 1574146), (14, 1349268), (21, 899512), (24, 787073), (28, 674634), (42, 449756), (56, 337317), (84, 224878), (168, 112439), (229, 82488), (458, 41244), (491, 38472), (687, 27496), (916, 20622), (982, 19236), (1374, 13748), (1473, 12824), (1603, 11784), (1832, 10311), (1964, 9618), (2748, 6874), (2946, 6412), (3206, 5892), (3437, 5496), (3928, 4809)]