19963203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10891}}^1$

素因数の和:10954

約数の個数: 16

約数和(自身を含む): 29277696

約数和(自身を除く): 9314493

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 10891, 32673, 141583, 424749, 511877, 1535631, 6654401, 19963203]

約数ペア:

[(1, 19963203), (3, 6654401), (13, 1535631), (39, 511877), (47, 424749), (141, 141583), (611, 32673), (1833, 10891)]