18772767

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{571}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 29357328

約数和(自身を除く): 10584561

約数列:

[1, 3, 9, 13, 39, 117, 281, 571, 843, 1713, 2529, 3653, 5139, 7423, 10959, 22269, 32877, 66807, 160451, 481353, 1444059, 2085863, 6257589, 18772767]

約数ペア:

[(1, 18772767), (3, 6257589), (9, 2085863), (13, 1444059), (39, 481353), (117, 160451), (281, 66807), (571, 32877), (843, 22269), (1713, 10959), (2529, 7423), (3653, 5139)]