18839942

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:764

約数の個数: 24

約数和(自身を含む): 31358208

約数和(自身を除く): 12518266

約数列:

[1, 2, 11, 22, 121, 127, 242, 254, 613, 1226, 1397, 2794, 6743, 13486, 15367, 30734, 74173, 77851, 148346, 155702, 856361, 1712722, 9419971, 18839942]

約数ペア:

[(1, 18839942), (2, 9419971), (11, 1712722), (22, 856361), (121, 155702), (127, 148346), (242, 77851), (254, 74173), (613, 30734), (1226, 15367), (1397, 13486), (2794, 6743)]