19701270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{479}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 51442560

約数和(自身を除く): 31741290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 457, 479, 914, 958, 1371, 1437, 2285, 2395, 2742, 2874, 4113, 4311, 4570, 4790, 6855, 7185, 8226, 8622, 13710, 14370, 20565, 21555, 41130, 43110, 218903, 437806, 656709, 1094515, 1313418, 1970127, 2189030, 3283545, 3940254, 6567090, 9850635, 19701270]

約数ペア:

[(1, 19701270), (2, 9850635), (3, 6567090), (5, 3940254), (6, 3283545), (9, 2189030), (10, 1970127), (15, 1313418), (18, 1094515), (30, 656709), (45, 437806), (90, 218903), (457, 43110), (479, 41130), (914, 21555), (958, 20565), (1371, 14370), (1437, 13710), (2285, 8622), (2395, 8226), (2742, 7185), (2874, 6855), (4113, 4790), (4311, 4570)]