18269797

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 25280640

約数和(自身を除く): 7010843

約数列:

[1, 7, 13, 23, 29, 43, 49, 91, 161, 203, 299, 301, 377, 559, 637, 667, 989, 1127, 1247, 1421, 2093, 2107, 2639, 3913, 4669, 6923, 8671, 8729, 12857, 14651, 16211, 18473, 27391, 28681, 32683, 48461, 60697, 61103, 89999, 113477, 200767, 372853, 424879, 629993, 794339, 1405369, 2609971, 18269797]

約数ペア:

[(1, 18269797), (7, 2609971), (13, 1405369), (23, 794339), (29, 629993), (43, 424879), (49, 372853), (91, 200767), (161, 113477), (203, 89999), (299, 61103), (301, 60697), (377, 48461), (559, 32683), (637, 28681), (667, 27391), (989, 18473), (1127, 16211), (1247, 14651), (1421, 12857), (2093, 8729), (2107, 8671), (2639, 6923), (3913, 4669)]