18629540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40499}}^1$

素因数の和:40531

約数の個数: 24

約数和(自身を含む): 40824000

約数和(自身を除く): 22194460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40499, 80998, 161996, 202495, 404990, 809980, 931477, 1862954, 3725908, 4657385, 9314770, 18629540]

約数ペア:

[(1, 18629540), (2, 9314770), (4, 4657385), (5, 3725908), (10, 1862954), (20, 931477), (23, 809980), (46, 404990), (92, 202495), (115, 161996), (230, 80998), (460, 40499)]