18036620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128833}}^1$

素因数の和:128849

約数の個数: 24

約数和(自身を含む): 43288224

約数和(自身を除く): 25251604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128833, 257666, 515332, 644165, 901831, 1288330, 1803662, 2576660, 3607324, 4509155, 9018310, 18036620]

約数ペア:

[(1, 18036620), (2, 9018310), (4, 4509155), (5, 3607324), (7, 2576660), (10, 1803662), (14, 1288330), (20, 901831), (28, 644165), (35, 515332), (70, 257666), (140, 128833)]