18962097

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 34062336

約数和(自身を除く): 15100239

約数列:

[1, 3, 7, 11, 21, 23, 33, 43, 69, 77, 83, 129, 161, 231, 249, 253, 301, 473, 483, 581, 759, 903, 913, 989, 1419, 1743, 1771, 1909, 2739, 2967, 3311, 3569, 5313, 5727, 6391, 6923, 9933, 10707, 10879, 13363, 19173, 20769, 20999, 24983, 32637, 39259, 40089, 62997, 74949, 76153, 82087, 117777, 146993, 228459, 246261, 274813, 440979, 574609, 824439, 902957, 1723827, 2708871, 6320699, 18962097]

約数ペア:

[(1, 18962097), (3, 6320699), (7, 2708871), (11, 1723827), (21, 902957), (23, 824439), (33, 574609), (43, 440979), (69, 274813), (77, 246261), (83, 228459), (129, 146993), (161, 117777), (231, 82087), (249, 76153), (253, 74949), (301, 62997), (473, 40089), (483, 39259), (581, 32637), (759, 24983), (903, 20999), (913, 20769), (989, 19173), (1419, 13363), (1743, 10879), (1771, 10707), (1909, 9933), (2739, 6923), (2967, 6391), (3311, 5727), (3569, 5313)]