18085739

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{421}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 23152608

約数和(自身を除く): 5066869

約数列:

[1, 7, 17, 19, 119, 133, 323, 361, 421, 2261, 2527, 2947, 6137, 7157, 7999, 42959, 50099, 55993, 135983, 151981, 951881, 1063867, 2583677, 18085739]

約数ペア:

[(1, 18085739), (7, 2583677), (17, 1063867), (19, 951881), (119, 151981), (133, 135983), (323, 55993), (361, 50099), (421, 42959), (2261, 7999), (2527, 7157), (2947, 6137)]