19663954

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{3947}}^1$

素因数の和:4049

約数の個数: 16

約数和(自身を含む): 30699648

約数和(自身を除く): 11035694

約数列:

[1, 2, 47, 53, 94, 106, 2491, 3947, 4982, 7894, 185509, 209191, 371018, 418382, 9831977, 19663954]

約数ペア:

[(1, 19663954), (2, 9831977), (47, 418382), (53, 371018), (94, 209191), (106, 185509), (2491, 7894), (3947, 4982)]