19691536

素因数分解:

$2^4\times {\mathrm{1051}}^1\times {\mathrm{1171}}^1$

素因数の和:2230

約数の個数: 20

約数和(自身を含む): 38221264

約数和(自身を除く): 18529728

約数列:

[1, 2, 4, 8, 16, 1051, 1171, 2102, 2342, 4204, 4684, 8408, 9368, 16816, 18736, 1230721, 2461442, 4922884, 9845768, 19691536]

約数ペア:

[(1, 19691536), (2, 9845768), (4, 4922884), (8, 2461442), (16, 1230721), (1051, 18736), (1171, 16816), (2102, 9368), (2342, 8408), (4204, 4684)]