19576783216

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1\times {\mathrm{709}}^1$

素因数の和:1238

約数の個数: 80

約数和(自身を含む): 39554611200

約数和(自身を除く): 19977827984

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 179, 248, 311, 358, 496, 622, 709, 716, 1244, 1418, 1432, 2488, 2836, 2864, 4976, 5549, 5672, 9641, 11098, 11344, 19282, 21979, 22196, 38564, 43958, 44392, 55669, 77128, 87916, 88784, 111338, 126911, 154256, 175832, 220499, 222676, 253822, 351664, 440998, 445352, 507644, 881996, 890704, 1015288, 1725739, 1763992, 2030576, 3451478, 3527984, 3934241, 6835469, 6902956, 7868482, 13670938, 13805912, 15736964, 27341876, 27611824, 31473928, 39469321, 54683752, 62947856, 78938642, 109367504, 157877284, 315754568, 631509136, 1223548951, 2447097902, 4894195804, 9788391608, 19576783216]

約数ペア:

[(1, 19576783216), (2, 9788391608), (4, 4894195804), (8, 2447097902), (16, 1223548951), (31, 631509136), (62, 315754568), (124, 157877284), (179, 109367504), (248, 78938642), (311, 62947856), (358, 54683752), (496, 39469321), (622, 31473928), (709, 27611824), (716, 27341876), (1244, 15736964), (1418, 13805912), (1432, 13670938), (2488, 7868482), (2836, 6902956), (2864, 6835469), (4976, 3934241), (5549, 3527984), (5672, 3451478), (9641, 2030576), (11098, 1763992), (11344, 1725739), (19282, 1015288), (21979, 890704), (22196, 881996), (38564, 507644), (43958, 445352), (44392, 440998), (55669, 351664), (77128, 253822), (87916, 222676), (88784, 220499), (111338, 175832), (126911, 154256)]