19910746

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2633}}^1$

素因数の和:2853

約数の個数: 16

約数和(自身を含む): 31608000

約数和(自身を除く): 11697254

約数列:

[1, 2, 19, 38, 199, 398, 2633, 3781, 5266, 7562, 50027, 100054, 523967, 1047934, 9955373, 19910746]

約数ペア:

[(1, 19910746), (2, 9955373), (19, 1047934), (38, 523967), (199, 100054), (398, 50027), (2633, 7562), (3781, 5266)]