18193600520

素因数分解:

$2^3\times 5^1\times {\mathrm{454840013}}^1$

素因数の和:454840024

約数の個数: 16

約数和(自身を含む): 40935601260

約数和(自身を除く): 22742000740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 454840013, 909680026, 1819360052, 2274200065, 3638720104, 4548400130, 9096800260, 18193600520]

約数ペア:

[(1, 18193600520), (2, 9096800260), (4, 4548400130), (5, 3638720104), (8, 2274200065), (10, 1819360052), (20, 909680026), (40, 454840013)]