19840154

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{1117}}^1$

素因数の和:1309

約数の個数: 16

約数和(自身を含む): 30427488

約数和(自身を除く): 10587334

約数列:

[1, 2, 83, 107, 166, 214, 1117, 2234, 8881, 17762, 92711, 119519, 185422, 239038, 9920077, 19840154]

約数ペア:

[(1, 19840154), (2, 9920077), (83, 239038), (107, 185422), (166, 119519), (214, 92711), (1117, 17762), (2234, 8881)]