18867820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41017}}^1$

素因数の和:41049

約数の個数: 24

約数和(自身を含む): 41346144

約数和(自身を除く): 22478324

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 41017, 82034, 164068, 205085, 410170, 820340, 943391, 1886782, 3773564, 4716955, 9433910, 18867820]

約数ペア:

[(1, 18867820), (2, 9433910), (4, 4716955), (5, 3773564), (10, 1886782), (20, 943391), (23, 820340), (46, 410170), (92, 205085), (115, 164068), (230, 82034), (460, 41017)]