18289546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 31363200

約数和(自身を除く): 13073654

約数列:

[1, 2, 11, 22, 29, 58, 109, 218, 263, 319, 526, 638, 1199, 2398, 2893, 3161, 5786, 6322, 7627, 15254, 28667, 34771, 57334, 69542, 83897, 167794, 315337, 630674, 831343, 1662686, 9144773, 18289546]

約数ペア:

[(1, 18289546), (2, 9144773), (11, 1662686), (22, 831343), (29, 630674), (58, 315337), (109, 167794), (218, 83897), (263, 69542), (319, 57334), (526, 34771), (638, 28667), (1199, 15254), (2398, 7627), (2893, 6322), (3161, 5786)]