19847778

素因数分解:

$2^1\times 3^1\times {\mathrm{353}}^1\times {\mathrm{9371}}^1$

素因数の和:9729

約数の個数: 16

約数和(自身を含む): 39812256

約数和(自身を除く): 19964478

約数列:

[1, 2, 3, 6, 353, 706, 1059, 2118, 9371, 18742, 28113, 56226, 3307963, 6615926, 9923889, 19847778]

約数ペア:

[(1, 19847778), (2, 9923889), (3, 6615926), (6, 3307963), (353, 56226), (706, 28113), (1059, 18742), (2118, 9371)]