19910896

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17047}}^1$

素因数の和:17128

約数の個数: 20

約数和(自身を含む): 39108112

約数和(自身を除く): 19197216

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17047, 34094, 68188, 136376, 272752, 1244431, 2488862, 4977724, 9955448, 19910896]

約数ペア:

[(1, 19910896), (2, 9955448), (4, 4977724), (8, 2488862), (16, 1244431), (73, 272752), (146, 136376), (292, 68188), (584, 34094), (1168, 17047)]