19992149654405

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1\times {\mathrm{45763811}}^1$

素因数の和:45765988

約数の個数: 16

約数和(自身を含む): 24587248690368

約数和(自身を除く): 4595099035963

約数列:

[1, 5, 41, 205, 2131, 10655, 87371, 436855, 45763811, 228819055, 1876316251, 9381581255, 97522681241, 487613406205, 3998429930881, 19992149654405]

約数ペア:

[(1, 19992149654405), (5, 3998429930881), (41, 487613406205), (205, 97522681241), (2131, 9381581255), (10655, 1876316251), (87371, 228819055), (436855, 45763811)]