19987674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475897}}^1$

素因数の和:475909

約数の個数: 16

約数和(自身を含む): 45686208

約数和(自身を除く): 25698534

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475897, 951794, 1427691, 2855382, 3331279, 6662558, 9993837, 19987674]

約数ペア:

[(1, 19987674), (2, 9993837), (3, 6662558), (6, 3331279), (7, 2855382), (14, 1427691), (21, 951794), (42, 475897)]