18941585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{673}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 24571344

約数和(自身を除く): 5629759

約数列:

[1, 5, 13, 65, 433, 673, 2165, 3365, 5629, 8749, 28145, 43745, 291409, 1457045, 3788317, 18941585]

約数ペア:

[(1, 18941585), (5, 3788317), (13, 1457045), (65, 291409), (433, 43745), (673, 28145), (2165, 8749), (3365, 5629)]