18252339

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 13681101

約数列:

[1, 3, 7, 17, 21, 29, 41, 43, 51, 87, 119, 123, 129, 203, 287, 301, 357, 493, 609, 697, 731, 861, 903, 1189, 1247, 1479, 1763, 2091, 2193, 3451, 3567, 3741, 4879, 5117, 5289, 8323, 8729, 10353, 12341, 14637, 15351, 20213, 21199, 24969, 26187, 29971, 37023, 51127, 60639, 63597, 89913, 141491, 148393, 153381, 209797, 357889, 424473, 445179, 629391, 869159, 1073667, 2607477, 6084113, 18252339]

約数ペア:

[(1, 18252339), (3, 6084113), (7, 2607477), (17, 1073667), (21, 869159), (29, 629391), (41, 445179), (43, 424473), (51, 357889), (87, 209797), (119, 153381), (123, 148393), (129, 141491), (203, 89913), (287, 63597), (301, 60639), (357, 51127), (493, 37023), (609, 29971), (697, 26187), (731, 24969), (861, 21199), (903, 20213), (1189, 15351), (1247, 14637), (1479, 12341), (1763, 10353), (2091, 8729), (2193, 8323), (3451, 5289), (3567, 5117), (3741, 4879)]