18786076180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22909849}}^1$

素因数の和:22909899

約数の個数: 24

約数和(自身を含む): 40412975400

約数和(自身を除く): 21626899220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 22909849, 45819698, 91639396, 114549245, 229098490, 458196980, 939303809, 1878607618, 3757215236, 4696519045, 9393038090, 18786076180]

約数ペア:

[(1, 18786076180), (2, 9393038090), (4, 4696519045), (5, 3757215236), (10, 1878607618), (20, 939303809), (41, 458196980), (82, 229098490), (164, 114549245), (205, 91639396), (410, 45819698), (820, 22909849)]