19078569

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 30730752

約数和(自身を除く): 11652183

約数列:

[1, 3, 9, 23, 37, 47, 53, 69, 111, 141, 159, 207, 333, 423, 477, 851, 1081, 1219, 1739, 1961, 2491, 2553, 3243, 3657, 5217, 5883, 7473, 7659, 9729, 10971, 15651, 17649, 22419, 39997, 45103, 57293, 92167, 119991, 135309, 171879, 276501, 359973, 405927, 515637, 829503, 2119841, 6359523, 19078569]

約数ペア:

[(1, 19078569), (3, 6359523), (9, 2119841), (23, 829503), (37, 515637), (47, 405927), (53, 359973), (69, 276501), (111, 171879), (141, 135309), (159, 119991), (207, 92167), (333, 57293), (423, 45103), (477, 39997), (851, 22419), (1081, 17649), (1219, 15651), (1739, 10971), (1961, 9729), (2491, 7659), (2553, 7473), (3243, 5883), (3657, 5217)]