18816968

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{9371}}^1$

素因数の和:9628

約数の個数: 16

約数和(自身を含む): 35426160

約数和(自身を除く): 16609192

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 9371, 18742, 37484, 74968, 2352121, 4704242, 9408484, 18816968]

約数ペア:

[(1, 18816968), (2, 9408484), (4, 4704242), (8, 2352121), (251, 74968), (502, 37484), (1004, 18742), (2008, 9371)]