18319857

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{971}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 25816320

約数和(自身を除く): 7496463

約数列:

[1, 3, 19, 57, 331, 971, 993, 2913, 6289, 18449, 18867, 55347, 321401, 964203, 6106619, 18319857]

約数ペア:

[(1, 18319857), (3, 6106619), (19, 964203), (57, 321401), (331, 55347), (971, 18867), (993, 18449), (2913, 6289)]