19780286

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1\times {\mathrm{521}}^1$

素因数の和:1027

約数の個数: 16

約数和(自身を含む): 30518208

約数和(自身を除く): 10737922

約数列:

[1, 2, 41, 82, 463, 521, 926, 1042, 18983, 21361, 37966, 42722, 241223, 482446, 9890143, 19780286]

約数ペア:

[(1, 19780286), (2, 9890143), (41, 482446), (82, 241223), (463, 42722), (521, 37966), (926, 21361), (1042, 18983)]