19778126

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1979}}^1$

素因数の和:2263

約数の個数: 16

約数和(自身を含む): 31363200

約数和(自身を除く): 11585074

約数列:

[1, 2, 19, 38, 263, 526, 1979, 3958, 4997, 9994, 37601, 75202, 520477, 1040954, 9889063, 19778126]

約数ペア:

[(1, 19778126), (2, 9889063), (19, 1040954), (38, 520477), (263, 75202), (526, 37601), (1979, 9994), (3958, 4997)]