19845670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11743}}^1$

素因数の和:11776

約数の個数: 24

約数和(自身を含む): 38684736

約数和(自身を除く): 18839066

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11743, 23486, 58715, 117430, 152659, 305318, 763295, 1526590, 1984567, 3969134, 9922835, 19845670]

約数ペア:

[(1, 19845670), (2, 9922835), (5, 3969134), (10, 1984567), (13, 1526590), (26, 763295), (65, 305318), (130, 152659), (169, 117430), (338, 58715), (845, 23486), (1690, 11743)]