18801601

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{673}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 23250304

約数和(自身を除く): 4448703

約数列:

[1, 7, 13, 91, 307, 673, 2149, 3991, 4711, 8749, 27937, 61243, 206611, 1446277, 2685943, 18801601]

約数ペア:

[(1, 18801601), (7, 2685943), (13, 1446277), (91, 206611), (307, 61243), (673, 27937), (2149, 8749), (3991, 4711)]