19871914

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{1039}}^1$

素因数の和:1245

約数の個数: 16

約数和(自身を含む): 30476160

約数和(自身を除く): 10604246

約数列:

[1, 2, 73, 131, 146, 262, 1039, 2078, 9563, 19126, 75847, 136109, 151694, 272218, 9935957, 19871914]

約数ペア:

[(1, 19871914), (2, 9935957), (73, 272218), (131, 151694), (146, 136109), (262, 75847), (1039, 19126), (2078, 9563)]