18156695020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{2441}}^1$

素因数の和:2731

約数の個数: 96

約数和(自身を含む): 40113190656

約数和(自身を除く): 21956495636

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 193, 205, 235, 386, 410, 470, 772, 820, 940, 965, 1927, 1930, 2441, 3854, 3860, 4882, 7708, 7913, 9071, 9635, 9764, 12205, 15826, 18142, 19270, 24410, 31652, 36284, 38540, 39565, 45355, 48820, 79130, 90710, 100081, 114727, 158260, 181420, 200162, 229454, 371911, 400324, 458908, 471113, 500405, 573635, 743822, 942226, 1000810, 1147270, 1487644, 1859555, 1884452, 2001620, 2294540, 2355565, 3719110, 4703807, 4711130, 7438220, 9407614, 9422260, 18815228, 19315633, 22142311, 23519035, 38631266, 44284622, 47038070, 77262532, 88569244, 94076140, 96578165, 110711555, 193156330, 221423110, 386312660, 442846220, 907834751, 1815669502, 3631339004, 4539173755, 9078347510, 18156695020]

約数ペア:

[(1, 18156695020), (2, 9078347510), (4, 4539173755), (5, 3631339004), (10, 1815669502), (20, 907834751), (41, 442846220), (47, 386312660), (82, 221423110), (94, 193156330), (164, 110711555), (188, 96578165), (193, 94076140), (205, 88569244), (235, 77262532), (386, 47038070), (410, 44284622), (470, 38631266), (772, 23519035), (820, 22142311), (940, 19315633), (965, 18815228), (1927, 9422260), (1930, 9407614), (2441, 7438220), (3854, 4711130), (3860, 4703807), (4882, 3719110), (7708, 2355565), (7913, 2294540), (9071, 2001620), (9635, 1884452), (9764, 1859555), (12205, 1487644), (15826, 1147270), (18142, 1000810), (19270, 942226), (24410, 743822), (31652, 573635), (36284, 500405), (38540, 471113), (39565, 458908), (45355, 400324), (48820, 371911), (79130, 229454), (90710, 200162), (100081, 181420), (114727, 158260)]