2019140975

素因数分解:

$5^2\times {\mathrm{181}}^1\times {\mathrm{409}}^1\times {\mathrm{1091}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 2526036240

約数和(自身を除く): 506895265

約数列:

[1, 5, 25, 181, 409, 905, 1091, 2045, 4525, 5455, 10225, 27275, 74029, 197471, 370145, 446219, 987355, 1850725, 2231095, 4936775, 11155475, 80765639, 403828195, 2019140975]

約数ペア:

[(1, 2019140975), (5, 403828195), (25, 80765639), (181, 11155475), (409, 4936775), (905, 2231095), (1091, 1850725), (2045, 987355), (4525, 446219), (5455, 370145), (10225, 197471), (27275, 74029)]