18269895

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 35251200

約数和(自身を除く): 16981305

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 53, 67, 105, 147, 159, 201, 245, 265, 335, 343, 371, 469, 735, 795, 1005, 1029, 1113, 1407, 1715, 1855, 2345, 2597, 3283, 3551, 5145, 5565, 7035, 7791, 9849, 10653, 12985, 16415, 17755, 18179, 22981, 24857, 38955, 49245, 53265, 54537, 68943, 74571, 90895, 114905, 124285, 173999, 272685, 344715, 372855, 521997, 869995, 1217993, 2609985, 3653979, 6089965, 18269895]

約数ペア:

[(1, 18269895), (3, 6089965), (5, 3653979), (7, 2609985), (15, 1217993), (21, 869995), (35, 521997), (49, 372855), (53, 344715), (67, 272685), (105, 173999), (147, 124285), (159, 114905), (201, 90895), (245, 74571), (265, 68943), (335, 54537), (343, 53265), (371, 49245), (469, 38955), (735, 24857), (795, 22981), (1005, 18179), (1029, 17755), (1113, 16415), (1407, 12985), (1715, 10653), (1855, 9849), (2345, 7791), (2597, 7035), (3283, 5565), (3551, 5145)]