18308199

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 30284800

約数和(自身を除く): 11976601

約数列:

[1, 3, 7, 13, 21, 39, 91, 199, 273, 337, 597, 1011, 1393, 2359, 2587, 4179, 4381, 7077, 7761, 13143, 18109, 30667, 54327, 67063, 92001, 201189, 469441, 871819, 1408323, 2615457, 6102733, 18308199]

約数ペア:

[(1, 18308199), (3, 6102733), (7, 2615457), (13, 1408323), (21, 871819), (39, 469441), (91, 201189), (199, 92001), (273, 67063), (337, 54327), (597, 30667), (1011, 18109), (1393, 13143), (2359, 7761), (2587, 7077), (4179, 4381)]