20191938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258871}}^1$

素因数の和:258889

約数の個数: 16

約数和(自身を含む): 43490496

約数和(自身を除く): 23298558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258871, 517742, 776613, 1553226, 3365323, 6730646, 10095969, 20191938]

約数ペア:

[(1, 20191938), (2, 10095969), (3, 6730646), (6, 3365323), (13, 1553226), (26, 776613), (39, 517742), (78, 258871)]