19940156

素因数分解:

$2^2\times {\mathrm{727}}^1\times {\mathrm{6857}}^1$

素因数の和:7588

約数の個数: 12

約数和(自身を含む): 34948368

約数和(自身を除く): 15008212

約数列:

[1, 2, 4, 727, 1454, 2908, 6857, 13714, 27428, 4985039, 9970078, 19940156]

約数ペア:

[(1, 19940156), (2, 9970078), (4, 4985039), (727, 27428), (1454, 13714), (2908, 6857)]