18763820

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4133}}^1$

素因数の和:4369

約数の個数: 24

約数和(自身を含む): 39587184

約数和(自身を除く): 20823364

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4133, 4540, 8266, 16532, 20665, 41330, 82660, 938191, 1876382, 3752764, 4690955, 9381910, 18763820]

約数ペア:

[(1, 18763820), (2, 9381910), (4, 4690955), (5, 3752764), (10, 1876382), (20, 938191), (227, 82660), (454, 41330), (908, 20665), (1135, 16532), (2270, 8266), (4133, 4540)]