19680777776

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{307}}^1\times {\mathrm{33113}}^1$

素因数の和:33450

約数の個数: 60

約数和(自身を含む): 42050938776

約数和(自身を除く): 22370161000

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 307, 484, 614, 968, 1228, 1936, 2456, 3377, 4912, 6754, 13508, 27016, 33113, 37147, 54032, 66226, 74294, 132452, 148588, 264904, 297176, 364243, 529808, 594352, 728486, 1456972, 2913944, 4006673, 5827888, 8013346, 10165691, 16026692, 20331382, 32053384, 40662764, 64106768, 81325528, 111822601, 162651056, 223645202, 447290404, 894580808, 1230048611, 1789161616, 2460097222, 4920194444, 9840388888, 19680777776]

約数ペア:

[(1, 19680777776), (2, 9840388888), (4, 4920194444), (8, 2460097222), (11, 1789161616), (16, 1230048611), (22, 894580808), (44, 447290404), (88, 223645202), (121, 162651056), (176, 111822601), (242, 81325528), (307, 64106768), (484, 40662764), (614, 32053384), (968, 20331382), (1228, 16026692), (1936, 10165691), (2456, 8013346), (3377, 5827888), (4912, 4006673), (6754, 2913944), (13508, 1456972), (27016, 728486), (33113, 594352), (37147, 529808), (54032, 364243), (66226, 297176), (74294, 264904), (132452, 148588)]