18236401925

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:879

約数の個数: 96

約数和(自身を含む): 27993993984

約数和(自身を除く): 9757592059

約数列:

[1, 5, 7, 17, 25, 35, 73, 85, 119, 131, 175, 365, 425, 511, 595, 641, 655, 917, 1241, 1825, 2227, 2555, 2975, 3205, 3275, 4487, 4585, 6205, 8687, 9563, 10897, 11135, 12775, 15589, 16025, 22435, 22925, 31025, 43435, 46793, 47815, 54485, 55675, 66941, 76279, 77945, 83971, 112175, 162571, 217175, 233965, 239075, 272425, 327551, 334705, 381395, 389725, 419855, 587797, 795481, 812855, 1137997, 1169825, 1427507, 1637755, 1673525, 1906975, 2099275, 2938985, 3977405, 4064275, 5568367, 5689985, 6129883, 7137535, 8188775, 9992549, 14694925, 19887025, 27841835, 28449925, 30649415, 35687675, 42909181, 49962745, 104208011, 139209175, 153247075, 214545905, 249813725, 521040055, 729456077, 1072729525, 2605200275, 3647280385, 18236401925]

約数ペア:

[(1, 18236401925), (5, 3647280385), (7, 2605200275), (17, 1072729525), (25, 729456077), (35, 521040055), (73, 249813725), (85, 214545905), (119, 153247075), (131, 139209175), (175, 104208011), (365, 49962745), (425, 42909181), (511, 35687675), (595, 30649415), (641, 28449925), (655, 27841835), (917, 19887025), (1241, 14694925), (1825, 9992549), (2227, 8188775), (2555, 7137535), (2975, 6129883), (3205, 5689985), (3275, 5568367), (4487, 4064275), (4585, 3977405), (6205, 2938985), (8687, 2099275), (9563, 1906975), (10897, 1673525), (11135, 1637755), (12775, 1427507), (15589, 1169825), (16025, 1137997), (22435, 812855), (22925, 795481), (31025, 587797), (43435, 419855), (46793, 389725), (47815, 381395), (54485, 334705), (55675, 327551), (66941, 272425), (76279, 239075), (77945, 233965), (83971, 217175), (112175, 162571)]