18895474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10847}}^1$

素因数の和:10929

約数の個数: 16

約数和(自身を含む): 30981888

約数和(自身を除く): 12086414

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 10847, 21694, 141011, 282022, 726749, 1453498, 9447737, 18895474]

約数ペア:

[(1, 18895474), (2, 9447737), (13, 1453498), (26, 726749), (67, 282022), (134, 141011), (871, 21694), (1742, 10847)]