18530187

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 11145333

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 1471, 4199, 4413, 12597, 19123, 25007, 27949, 57369, 75021, 83847, 325091, 363337, 475133, 975273, 1090011, 1425399, 6176729, 18530187]

約数ペア:

[(1, 18530187), (3, 6176729), (13, 1425399), (17, 1090011), (19, 975273), (39, 475133), (51, 363337), (57, 325091), (221, 83847), (247, 75021), (323, 57369), (663, 27949), (741, 25007), (969, 19123), (1471, 12597), (4199, 4413)]