19953492

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{9839}}^1$

素因数の和:9872

約数の個数: 36

約数和(自身を含む): 50420160

約数和(自身を除く): 30466668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 9839, 19678, 29517, 39356, 59034, 118068, 127907, 255814, 383721, 511628, 767442, 1534884, 1662791, 3325582, 4988373, 6651164, 9976746, 19953492]

約数ペア:

[(1, 19953492), (2, 9976746), (3, 6651164), (4, 4988373), (6, 3325582), (12, 1662791), (13, 1534884), (26, 767442), (39, 511628), (52, 383721), (78, 255814), (156, 127907), (169, 118068), (338, 59034), (507, 39356), (676, 29517), (1014, 19678), (2028, 9839)]