19905232

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73181}}^1$

素因数の和:73206

約数の個数: 20

約数和(自身を含む): 40835556

約数和(自身を除く): 20930324

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73181, 146362, 292724, 585448, 1170896, 1244077, 2488154, 4976308, 9952616, 19905232]

約数ペア:

[(1, 19905232), (2, 9952616), (4, 4976308), (8, 2488154), (16, 1244077), (17, 1170896), (34, 585448), (68, 292724), (136, 146362), (272, 73181)]