19929372990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{664312433}}^1$

素因数の和:664312443

約数の個数: 16

約数和(自身を含む): 47830495248

約数和(自身を除く): 27901122258

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 664312433, 1328624866, 1992937299, 3321562165, 3985874598, 6643124330, 9964686495, 19929372990]

約数ペア:

[(1, 19929372990), (2, 9964686495), (3, 6643124330), (5, 3985874598), (6, 3321562165), (10, 1992937299), (15, 1328624866), (30, 664312433)]