19311184

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70997}}^1$

素因数の和:71022

約数の個数: 20

約数和(自身を含む): 39616884

約数和(自身を除く): 20305700

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70997, 141994, 283988, 567976, 1135952, 1206949, 2413898, 4827796, 9655592, 19311184]

約数ペア:

[(1, 19311184), (2, 9655592), (4, 4827796), (8, 2413898), (16, 1206949), (17, 1135952), (34, 567976), (68, 283988), (136, 141994), (272, 70997)]