20186819718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258805381}}^1$

素因数の和:258805399

約数の個数: 16

約数和(自身を含む): 43479304176

約数和(自身を除く): 23292484458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258805381, 517610762, 776416143, 1552832286, 3364469953, 6728939906, 10093409859, 20186819718]

約数ペア:

[(1, 20186819718), (2, 10093409859), (3, 6728939906), (6, 3364469953), (13, 1552832286), (26, 776416143), (39, 517610762), (78, 258805381)]