18445940

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3259}}^1$

素因数の和:3551

約数の個数: 24

約数和(自身を含む): 38885280

約数和(自身を除く): 20439340

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3259, 5660, 6518, 13036, 16295, 32590, 65180, 922297, 1844594, 3689188, 4611485, 9222970, 18445940]

約数ペア:

[(1, 18445940), (2, 9222970), (4, 4611485), (5, 3689188), (10, 1844594), (20, 922297), (283, 65180), (566, 32590), (1132, 16295), (1415, 13036), (2830, 6518), (3259, 5660)]