2019920650857

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{135319}}^1\times {\mathrm{87293}}^1$

素因数の和:222637

約数の個数: 24

約数和(自身を含む): 3071282260800

約数和(自身を除く): 1051361609943

約数列:

[1, 3, 9, 19, 57, 171, 87293, 135319, 261879, 405957, 785637, 1217871, 1658567, 2571061, 4975701, 7713183, 14927103, 23139549, 11812401467, 35437204401, 106311613203, 224435627873, 673306883619, 2019920650857]

約数ペア:

[(1, 2019920650857), (3, 673306883619), (9, 224435627873), (19, 106311613203), (57, 35437204401), (171, 11812401467), (87293, 23139549), (135319, 14927103), (261879, 7713183), (405957, 4975701), (785637, 2571061), (1217871, 1658567)]