2018690427

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 3122380800

約数和(自身を除く): 1103690373

約数列:

[1, 3, 13, 23, 39, 43, 69, 129, 199, 263, 299, 559, 597, 789, 897, 989, 1677, 2587, 2967, 3419, 4577, 6049, 7761, 8557, 10257, 11309, 12857, 13731, 18147, 25671, 33927, 38571, 52337, 59501, 78637, 111241, 147017, 157011, 178503, 196811, 235911, 260107, 333723, 441051, 590433, 680381, 780321, 1203751, 2041143, 2250491, 2558543, 3381391, 3611253, 6751473, 7675629, 10144173, 15648763, 29256383, 46946289, 51761293, 87769149, 155283879, 672896809, 2018690427]

約数ペア:

[(1, 2018690427), (3, 672896809), (13, 155283879), (23, 87769149), (39, 51761293), (43, 46946289), (69, 29256383), (129, 15648763), (199, 10144173), (263, 7675629), (299, 6751473), (559, 3611253), (597, 3381391), (789, 2558543), (897, 2250491), (989, 2041143), (1677, 1203751), (2587, 780321), (2967, 680381), (3419, 590433), (4577, 441051), (6049, 333723), (7761, 260107), (8557, 235911), (10257, 196811), (11309, 178503), (12857, 157011), (13731, 147017), (18147, 111241), (25671, 78637), (33927, 59501), (38571, 52337)]