18786860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40841}}^1$

素因数の和:40873

約数の個数: 24

約数和(自身を含む): 41168736

約数和(自身を除く): 22381876

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40841, 81682, 163364, 204205, 408410, 816820, 939343, 1878686, 3757372, 4696715, 9393430, 18786860]

約数ペア:

[(1, 18786860), (2, 9393430), (4, 4696715), (5, 3757372), (10, 1878686), (20, 939343), (23, 816820), (46, 408410), (92, 204205), (115, 163364), (230, 81682), (460, 40841)]