18517996

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{9871}}^1$

素因数の和:9949

約数の個数: 24

約数和(自身を含む): 37592576

約数和(自身を除く): 19074580

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 9871, 19742, 39484, 69097, 138194, 276388, 661357, 1322714, 2645428, 4629499, 9258998, 18517996]

約数ペア:

[(1, 18517996), (2, 9258998), (4, 4629499), (7, 2645428), (14, 1322714), (28, 661357), (67, 276388), (134, 138194), (268, 69097), (469, 39484), (938, 19742), (1876, 9871)]