18854620

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4153}}^1$

素因数の和:4389

約数の個数: 24

約数和(自身を含む): 39778704

約数和(自身を除く): 20924084

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4153, 4540, 8306, 16612, 20765, 41530, 83060, 942731, 1885462, 3770924, 4713655, 9427310, 18854620]

約数ペア:

[(1, 18854620), (2, 9427310), (4, 4713655), (5, 3770924), (10, 1885462), (20, 942731), (227, 83060), (454, 41530), (908, 20765), (1135, 16612), (2270, 8306), (4153, 4540)]