19426745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6359}}^1$

素因数の和:6424

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 6216775

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 6359, 31795, 82667, 298873, 413335, 1494365, 3885349, 19426745]

約数ペア:

[(1, 19426745), (5, 3885349), (13, 1494365), (47, 413335), (65, 298873), (235, 82667), (611, 31795), (3055, 6359)]