19972857

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{5939}}^1$

素因数の和:6020

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 8539143

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 5939, 17817, 112841, 338523, 350401, 1051203, 6657619, 19972857]

約数ペア:

[(1, 19972857), (3, 6657619), (19, 1051203), (57, 350401), (59, 338523), (177, 112841), (1121, 17817), (3363, 5939)]