18908978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{5273}}^1$

素因数の和:5449

約数の個数: 16

約数和(自身を含む): 31137696

約数和(自身を除く): 12228718

約数列:

[1, 2, 11, 22, 163, 326, 1793, 3586, 5273, 10546, 58003, 116006, 859499, 1718998, 9454489, 18908978]

約数ペア:

[(1, 18908978), (2, 9454489), (11, 1718998), (22, 859499), (163, 116006), (326, 58003), (1793, 10546), (3586, 5273)]