19388201

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 22646784

約数和(自身を除く): 3258583

約数列:

[1, 7, 113, 127, 193, 791, 889, 1351, 14351, 21809, 24511, 100457, 152663, 171577, 2769743, 19388201]

約数ペア:

[(1, 19388201), (7, 2769743), (113, 171577), (127, 152663), (193, 100457), (791, 24511), (889, 21809), (1351, 14351)]