19803180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330053}}^1$

素因数の和:330065

約数の個数: 24

約数和(自身を含む): 55449072

約数和(自身を除く): 35645892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330053, 660106, 990159, 1320212, 1650265, 1980318, 3300530, 3960636, 4950795, 6601060, 9901590, 19803180]

約数ペア:

[(1, 19803180), (2, 9901590), (3, 6601060), (4, 4950795), (5, 3960636), (6, 3300530), (10, 1980318), (12, 1650265), (15, 1320212), (20, 990159), (30, 660106), (60, 330053)]