19984902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475831}}^1$

素因数の和:475843

約数の個数: 16

約数和(自身を含む): 45679872

約数和(自身を除く): 25694970

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475831, 951662, 1427493, 2854986, 3330817, 6661634, 9992451, 19984902]

約数ペア:

[(1, 19984902), (2, 9992451), (3, 6661634), (6, 3330817), (7, 2854986), (14, 1427493), (21, 951662), (42, 475831)]