1618440140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4259053}}^1$

素因数の和:4259081

約数の個数: 24

約数和(自身を含む): 3577605360

約数和(自身を除く): 1959165220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4259053, 8518106, 17036212, 21295265, 42590530, 80922007, 85181060, 161844014, 323688028, 404610035, 809220070, 1618440140]

約数ペア:

[(1, 1618440140), (2, 809220070), (4, 404610035), (5, 323688028), (10, 161844014), (19, 85181060), (20, 80922007), (38, 42590530), (76, 21295265), (95, 17036212), (190, 8518106), (380, 4259053)]