18626780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40493}}^1$

素因数の和:40525

約数の個数: 24

約数和(自身を含む): 40817952

約数和(自身を除く): 22191172

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40493, 80986, 161972, 202465, 404930, 809860, 931339, 1862678, 3725356, 4656695, 9313390, 18626780]

約数ペア:

[(1, 18626780), (2, 9313390), (4, 4656695), (5, 3725356), (10, 1862678), (20, 931339), (23, 809860), (46, 404930), (92, 202465), (115, 161972), (230, 80986), (460, 40493)]