1917961766

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1951}}^1$

素因数の和:2097

約数の個数: 64

約数和(自身を含む): 3561947136

約数和(自身を除く): 1643985370

約数列:

[1, 2, 7, 14, 23, 43, 46, 71, 86, 142, 161, 301, 322, 497, 602, 989, 994, 1633, 1951, 1978, 3053, 3266, 3902, 6106, 6923, 11431, 13657, 13846, 21371, 22862, 27314, 42742, 44873, 70219, 83893, 89746, 138521, 140438, 167786, 277042, 314111, 491533, 587251, 628222, 969647, 983066, 1174502, 1929539, 1939294, 3185983, 3859078, 5956403, 6371966, 11912806, 13506773, 22301881, 27013546, 41694821, 44603762, 83389642, 136997269, 273994538, 958980883, 1917961766]

約数ペア:

[(1, 1917961766), (2, 958980883), (7, 273994538), (14, 136997269), (23, 83389642), (43, 44603762), (46, 41694821), (71, 27013546), (86, 22301881), (142, 13506773), (161, 11912806), (301, 6371966), (322, 5956403), (497, 3859078), (602, 3185983), (989, 1939294), (994, 1929539), (1633, 1174502), (1951, 983066), (1978, 969647), (3053, 628222), (3266, 587251), (3902, 491533), (6106, 314111), (6923, 277042), (11431, 167786), (13657, 140438), (13846, 138521), (21371, 89746), (22862, 83893), (27314, 70219), (42742, 44873)]