18839142

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:507

約数の個数: 80

約数和(自身を含む): 49658400

約数和(自身を除く): 30819258

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 81, 111, 126, 162, 189, 222, 259, 333, 378, 449, 518, 567, 666, 777, 898, 999, 1134, 1347, 1554, 1998, 2331, 2694, 2997, 3143, 4041, 4662, 5994, 6286, 6993, 8082, 9429, 12123, 13986, 16613, 18858, 20979, 24246, 28287, 33226, 36369, 41958, 49839, 56574, 72738, 84861, 99678, 116291, 149517, 169722, 232582, 254583, 299034, 348873, 448551, 509166, 697746, 897102, 1046619, 1345653, 2093238, 2691306, 3139857, 6279714, 9419571, 18839142]

約数ペア:

[(1, 18839142), (2, 9419571), (3, 6279714), (6, 3139857), (7, 2691306), (9, 2093238), (14, 1345653), (18, 1046619), (21, 897102), (27, 697746), (37, 509166), (42, 448551), (54, 348873), (63, 299034), (74, 254583), (81, 232582), (111, 169722), (126, 149517), (162, 116291), (189, 99678), (222, 84861), (259, 72738), (333, 56574), (378, 49839), (449, 41958), (518, 36369), (567, 33226), (666, 28287), (777, 24246), (898, 20979), (999, 18858), (1134, 16613), (1347, 13986), (1554, 12123), (1998, 9429), (2331, 8082), (2694, 6993), (2997, 6286), (3143, 5994), (4041, 4662)]