19857712

素因数分解:

$2^4\times 7^1\times {\mathrm{177301}}^1$

素因数の和:177316

約数の個数: 20

約数和(自身を含む): 43970896

約数和(自身を除く): 24113184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177301, 354602, 709204, 1241107, 1418408, 2482214, 2836816, 4964428, 9928856, 19857712]

約数ペア:

[(1, 19857712), (2, 9928856), (4, 4964428), (7, 2836816), (8, 2482214), (14, 1418408), (16, 1241107), (28, 709204), (56, 354602), (112, 177301)]