18513860

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3271}}^1$

素因数の和:3563

約数の個数: 24

約数和(自身を含む): 39028416

約数和(自身を除く): 20514556

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3271, 5660, 6542, 13084, 16355, 32710, 65420, 925693, 1851386, 3702772, 4628465, 9256930, 18513860]

約数ペア:

[(1, 18513860), (2, 9256930), (4, 4628465), (5, 3702772), (10, 1851386), (20, 925693), (283, 65420), (566, 32710), (1132, 16355), (1415, 13084), (2830, 6542), (3271, 5660)]