19991622

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475991}}^1$

素因数の和:476003

約数の個数: 16

約数和(自身を含む): 45695232

約数和(自身を除く): 25703610

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475991, 951982, 1427973, 2855946, 3331937, 6663874, 9995811, 19991622]

約数ペア:

[(1, 19991622), (2, 9995811), (3, 6663874), (6, 3331937), (7, 2855946), (14, 1427973), (21, 951982), (42, 475991)]