18895514

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12097}}^1$

素因数の和:12181

約数の個数: 16

約数和(自身を含む): 31358016

約数和(自身を除く): 12462502

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12097, 24194, 133067, 266134, 858887, 1717774, 9447757, 18895514]

約数ペア:

[(1, 18895514), (2, 9447757), (11, 1717774), (22, 858887), (71, 266134), (142, 133067), (781, 24194), (1562, 12097)]