19982896

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26573}}^1$

素因数の和:26628

約数の個数: 20

約数和(自身を含む): 39542112

約数和(自身を除く): 19559216

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26573, 53146, 106292, 212584, 425168, 1248931, 2497862, 4995724, 9991448, 19982896]

約数ペア:

[(1, 19982896), (2, 9991448), (4, 4995724), (8, 2497862), (16, 1248931), (47, 425168), (94, 212584), (188, 106292), (376, 53146), (752, 26573)]