18856503

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{107}}^2$

素因数の和:284

約数の個数: 24

約数和(自身を含む): 28661360

約数和(自身を除く): 9804857

約数列:

[1, 3, 9, 27, 61, 107, 183, 321, 549, 963, 1647, 2889, 6527, 11449, 19581, 34347, 58743, 103041, 176229, 309123, 698389, 2095167, 6285501, 18856503]

約数ペア:

[(1, 18856503), (3, 6285501), (9, 2095167), (27, 698389), (61, 309123), (107, 176229), (183, 103041), (321, 58743), (549, 34347), (963, 19581), (1647, 11449), (2889, 6527)]