19779526

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1229}}^1$

素因数の和:1863

約数の個数: 16

約数和(自身を含む): 32029200

約数和(自身を除く): 12249674

約数列:

[1, 2, 13, 26, 619, 1229, 1238, 2458, 8047, 15977, 16094, 31954, 760751, 1521502, 9889763, 19779526]

約数ペア:

[(1, 19779526), (2, 9889763), (13, 1521502), (26, 760751), (619, 31954), (1229, 16094), (1238, 15977), (2458, 8047)]