19970824

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 41860800

約数和(自身を除く): 21889976

約数列:

[1, 2, 4, 8, 19, 37, 38, 53, 67, 74, 76, 106, 134, 148, 152, 212, 268, 296, 424, 536, 703, 1007, 1273, 1406, 1961, 2014, 2479, 2546, 2812, 3551, 3922, 4028, 4958, 5092, 5624, 7102, 7844, 8056, 9916, 10184, 14204, 15688, 19832, 28408, 37259, 47101, 67469, 74518, 94202, 131387, 134938, 149036, 188404, 262774, 269876, 298072, 376808, 525548, 539752, 1051096, 2496353, 4992706, 9985412, 19970824]

約数ペア:

[(1, 19970824), (2, 9985412), (4, 4992706), (8, 2496353), (19, 1051096), (37, 539752), (38, 525548), (53, 376808), (67, 298072), (74, 269876), (76, 262774), (106, 188404), (134, 149036), (148, 134938), (152, 131387), (212, 94202), (268, 74518), (296, 67469), (424, 47101), (536, 37259), (703, 28408), (1007, 19832), (1273, 15688), (1406, 14204), (1961, 10184), (2014, 9916), (2479, 8056), (2546, 7844), (2812, 7102), (3551, 5624), (3922, 5092), (4028, 4958)]