18215385

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5081}}^1$

素因数の和:5328

約数の個数: 16

約数和(自身を含む): 29272320

約数和(自身を除く): 11056935

約数列:

[1, 3, 5, 15, 239, 717, 1195, 3585, 5081, 15243, 25405, 76215, 1214359, 3643077, 6071795, 18215385]

約数ペア:

[(1, 18215385), (3, 6071795), (5, 3643077), (15, 1214359), (239, 76215), (717, 25405), (1195, 15243), (3585, 5081)]