2019925648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{751}}^1$

素因数の和:1032

約数の個数: 80

約数和(自身を含む): 4305446656

約数和(自身を除く): 2285521008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 193, 208, 268, 386, 536, 751, 772, 871, 1072, 1502, 1544, 1742, 2509, 3004, 3088, 3484, 5018, 6008, 6968, 9763, 10036, 12016, 12931, 13936, 19526, 20072, 25862, 39052, 40144, 50317, 51724, 78104, 100634, 103448, 144943, 156208, 168103, 201268, 206896, 289886, 336206, 402536, 579772, 654121, 672412, 805072, 1159544, 1308242, 1344824, 1884259, 2319088, 2616484, 2689648, 3768518, 5232968, 7537036, 9711181, 10465936, 15074072, 19422362, 30148144, 38844724, 77689448, 126245353, 155378896, 252490706, 504981412, 1009962824, 2019925648]

約数ペア:

[(1, 2019925648), (2, 1009962824), (4, 504981412), (8, 252490706), (13, 155378896), (16, 126245353), (26, 77689448), (52, 38844724), (67, 30148144), (104, 19422362), (134, 15074072), (193, 10465936), (208, 9711181), (268, 7537036), (386, 5232968), (536, 3768518), (751, 2689648), (772, 2616484), (871, 2319088), (1072, 1884259), (1502, 1344824), (1544, 1308242), (1742, 1159544), (2509, 805072), (3004, 672412), (3088, 654121), (3484, 579772), (5018, 402536), (6008, 336206), (6968, 289886), (9763, 206896), (10036, 201268), (12016, 168103), (12931, 156208), (13936, 144943), (19526, 103448), (20072, 100634), (25862, 78104), (39052, 51724), (40144, 50317)]