18689047

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 20944000

約数和(自身を除く): 2254953

約数列:

[1, 13, 43, 67, 499, 559, 871, 2881, 6487, 21457, 33433, 37453, 278941, 434629, 1437619, 18689047]

約数ペア:

[(1, 18689047), (13, 1437619), (43, 434629), (67, 278941), (499, 37453), (559, 33433), (871, 21457), (2881, 6487)]