18668862

素因数分解:

$2^1\times 3^2\times {\mathrm{643}}^1\times {\mathrm{1613}}^1$

素因数の和:2264

約数の個数: 24

約数和(自身を含む): 40537224

約数和(自身を除く): 21868362

約数列:

[1, 2, 3, 6, 9, 18, 643, 1286, 1613, 1929, 3226, 3858, 4839, 5787, 9678, 11574, 14517, 29034, 1037159, 2074318, 3111477, 6222954, 9334431, 18668862]

約数ペア:

[(1, 18668862), (2, 9334431), (3, 6222954), (6, 3111477), (9, 2074318), (18, 1037159), (643, 29034), (1286, 14517), (1613, 11574), (1929, 9678), (3226, 5787), (3858, 4839)]