2193840008

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{670489}}^1$

素因数の和:670904

約数の個数: 16

約数和(自身を含む): 4123513500

約数和(自身を除く): 1929673492

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 670489, 1340978, 2681956, 5363912, 274230001, 548460002, 1096920004, 2193840008]

約数ペア:

[(1, 2193840008), (2, 1096920004), (4, 548460002), (8, 274230001), (409, 5363912), (818, 2681956), (1636, 1340978), (3272, 670489)]