19944368

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30403}}^1$

素因数の和:30452

約数の個数: 20

約数和(自身を含む): 39586008

約数和(自身を除く): 19641640

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30403, 60806, 121612, 243224, 486448, 1246523, 2493046, 4986092, 9972184, 19944368]

約数ペア:

[(1, 19944368), (2, 9972184), (4, 4986092), (8, 2493046), (16, 1246523), (41, 486448), (82, 243224), (164, 121612), (328, 60806), (656, 30403)]