19704282

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 45480960

約数和(自身を除く): 25776678

約数列:

[1, 2, 3, 6, 13, 26, 29, 31, 39, 58, 62, 78, 87, 93, 174, 186, 281, 377, 403, 562, 754, 806, 843, 899, 1131, 1209, 1686, 1798, 2262, 2418, 2697, 3653, 5394, 7306, 8149, 8711, 10959, 11687, 16298, 17422, 21918, 23374, 24447, 26133, 35061, 48894, 52266, 70122, 105937, 113243, 211874, 226486, 252619, 317811, 339729, 505238, 635622, 679458, 757857, 1515714, 3284047, 6568094, 9852141, 19704282]

約数ペア:

[(1, 19704282), (2, 9852141), (3, 6568094), (6, 3284047), (13, 1515714), (26, 757857), (29, 679458), (31, 635622), (39, 505238), (58, 339729), (62, 317811), (78, 252619), (87, 226486), (93, 211874), (174, 113243), (186, 105937), (281, 70122), (377, 52266), (403, 48894), (562, 35061), (754, 26133), (806, 24447), (843, 23374), (899, 21918), (1131, 17422), (1209, 16298), (1686, 11687), (1798, 10959), (2262, 8711), (2418, 8149), (2697, 7306), (3653, 5394)]