2019915965

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{1109}}^1\times {\mathrm{4093}}^1$

素因数の和:5296

約数の個数: 16

約数和(自身を含む): 2453943600

約数和(自身を除く): 434027635

約数列:

[1, 5, 89, 445, 1109, 4093, 5545, 20465, 98701, 364277, 493505, 1821385, 4539137, 22695685, 403983193, 2019915965]

約数ペア:

[(1, 2019915965), (5, 403983193), (89, 22695685), (445, 4539137), (1109, 1821385), (4093, 493505), (5545, 364277), (20465, 98701)]