18647385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73127}}^1$

素因数の和:73152

約数の個数: 16

約数和(自身を含む): 31591296

約数和(自身を除く): 12943911

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 73127, 219381, 365635, 1096905, 1243159, 3729477, 6215795, 18647385]

約数ペア:

[(1, 18647385), (3, 6215795), (5, 3729477), (15, 1243159), (17, 1096905), (51, 365635), (85, 219381), (255, 73127)]