18985382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4651}}^1$

素因数の和:4823

約数の個数: 16

約数和(自身を含む): 30870672

約数和(自身を除く): 11885290

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 4651, 9302, 60463, 120926, 730207, 1460414, 9492691, 18985382]

約数ペア:

[(1, 18985382), (2, 9492691), (13, 1460414), (26, 730207), (157, 120926), (314, 60463), (2041, 9302), (4082, 4651)]