19811008

素因数分解:

$2^6\times 7^1\times {\mathrm{44221}}^1$

素因数の和:44240

約数の個数: 28

約数和(自身を含む): 44929552

約数和(自身を除く): 25118544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 44221, 88442, 176884, 309547, 353768, 619094, 707536, 1238188, 1415072, 2476376, 2830144, 4952752, 9905504, 19811008]

約数ペア:

[(1, 19811008), (2, 9905504), (4, 4952752), (7, 2830144), (8, 2476376), (14, 1415072), (16, 1238188), (28, 707536), (32, 619094), (56, 353768), (64, 309547), (112, 176884), (224, 88442), (448, 44221)]