19806895

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1823}}^1$

素因数の和:1922

約数の個数: 16

約数和(自身を含む): 24820992

約数和(自身を除く): 5014097

約数列:

[1, 5, 41, 53, 205, 265, 1823, 2173, 9115, 10865, 74743, 96619, 373715, 483095, 3961379, 19806895]

約数ペア:

[(1, 19806895), (5, 3961379), (41, 483095), (53, 373715), (205, 96619), (265, 74743), (1823, 10865), (2173, 9115)]