19991748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{237997}}^1$

素因数の和:238011

約数の個数: 24

約数和(自身を含む): 53311552

約数和(自身を除く): 33319804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 237997, 475994, 713991, 951988, 1427982, 1665979, 2855964, 3331958, 4997937, 6663916, 9995874, 19991748]

約数ペア:

[(1, 19991748), (2, 9995874), (3, 6663916), (4, 4997937), (6, 3331958), (7, 2855964), (12, 1665979), (14, 1427982), (21, 951988), (28, 713991), (42, 475994), (84, 237997)]