18510939

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 27529632

約数和(自身を除く): 9018693

約数列:

[1, 3, 9, 53, 151, 159, 257, 453, 477, 771, 1359, 2313, 8003, 13621, 24009, 38807, 40863, 72027, 116421, 122589, 349263, 2056771, 6170313, 18510939]

約数ペア:

[(1, 18510939), (3, 6170313), (9, 2056771), (53, 349263), (151, 122589), (159, 116421), (257, 72027), (453, 40863), (477, 38807), (771, 24009), (1359, 13621), (2313, 8003)]