18985764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 54706176

約数和(自身を除く): 35720412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 31, 42, 46, 62, 69, 84, 92, 93, 124, 138, 161, 186, 217, 276, 317, 322, 372, 434, 483, 634, 644, 651, 713, 868, 951, 966, 1268, 1302, 1426, 1902, 1932, 2139, 2219, 2604, 2852, 3804, 4278, 4438, 4991, 6657, 7291, 8556, 8876, 9827, 9982, 13314, 14582, 14973, 19654, 19964, 21873, 26628, 29164, 29481, 29946, 39308, 43746, 51037, 58962, 59892, 68789, 87492, 102074, 117924, 137578, 153111, 204148, 206367, 226021, 275156, 306222, 412734, 452042, 612444, 678063, 825468, 904084, 1356126, 1582147, 2712252, 3164294, 4746441, 6328588, 9492882, 18985764]

約数ペア:

[(1, 18985764), (2, 9492882), (3, 6328588), (4, 4746441), (6, 3164294), (7, 2712252), (12, 1582147), (14, 1356126), (21, 904084), (23, 825468), (28, 678063), (31, 612444), (42, 452042), (46, 412734), (62, 306222), (69, 275156), (84, 226021), (92, 206367), (93, 204148), (124, 153111), (138, 137578), (161, 117924), (186, 102074), (217, 87492), (276, 68789), (317, 59892), (322, 58962), (372, 51037), (434, 43746), (483, 39308), (634, 29946), (644, 29481), (651, 29164), (713, 26628), (868, 21873), (951, 19964), (966, 19654), (1268, 14973), (1302, 14582), (1426, 13314), (1902, 9982), (1932, 9827), (2139, 8876), (2219, 8556), (2604, 7291), (2852, 6657), (3804, 4991), (4278, 4438)]