18454640

素因数分解:

$2^4\times 5^1\times {\mathrm{230683}}^1$

素因数の和:230696

約数の個数: 20

約数和(自身を含む): 42907224

約数和(自身を除く): 24452584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230683, 461366, 922732, 1153415, 1845464, 2306830, 3690928, 4613660, 9227320, 18454640]

約数ペア:

[(1, 18454640), (2, 9227320), (4, 4613660), (5, 3690928), (8, 2306830), (10, 1845464), (16, 1153415), (20, 922732), (40, 461366), (80, 230683)]