18540279

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{11257}}^1$

素因数の和:11327

約数の個数: 16

約数和(自身を含む): 27919840

約数和(自身を除く): 9379561

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 11257, 33771, 101313, 303939, 686677, 2060031, 6180093, 18540279]

約数ペア:

[(1, 18540279), (3, 6180093), (9, 2060031), (27, 686677), (61, 303939), (183, 101313), (549, 33771), (1647, 11257)]