20189763438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258843121}}^1$

素因数の和:258843139

約数の個数: 16

約数和(自身を含む): 43485644496

約数和(自身を除く): 23295881058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258843121, 517686242, 776529363, 1553058726, 3364960573, 6729921146, 10094881719, 20189763438]

約数ペア:

[(1, 20189763438), (2, 10094881719), (3, 6729921146), (6, 3364960573), (13, 1553058726), (26, 776529363), (39, 517686242), (78, 258843121)]