19957694

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{9949}}^1$

素因数の和:10027

約数の個数: 16

約数和(自身を含む): 32238000

約数和(自身を除く): 12280306

約数列:

[1, 2, 17, 34, 59, 118, 1003, 2006, 9949, 19898, 169133, 338266, 586991, 1173982, 9978847, 19957694]

約数ペア:

[(1, 19957694), (2, 9978847), (17, 1173982), (34, 586991), (59, 338266), (118, 169133), (1003, 19898), (2006, 9949)]