19923842

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{1091}}^1$

素因数の和:1513

約数の個数: 16

約数和(自身を含む): 31292352

約数和(自身を除く): 11368510

約数列:

[1, 2, 23, 46, 397, 794, 1091, 2182, 9131, 18262, 25093, 50186, 433127, 866254, 9961921, 19923842]

約数ペア:

[(1, 19923842), (2, 9961921), (23, 866254), (46, 433127), (397, 50186), (794, 25093), (1091, 18262), (2182, 9131)]