19988983518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475928179}}^1$

素因数の和:475928191

約数の個数: 16

約数和(自身を含む): 45689105280

約数和(自身を除く): 25700121762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475928179, 951856358, 1427784537, 2855569074, 3331497253, 6662994506, 9994491759, 19988983518]

約数ペア:

[(1, 19988983518), (2, 9994491759), (3, 6662994506), (6, 3331497253), (7, 2855569074), (14, 1427784537), (21, 951856358), (42, 475928179)]