19649291

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 21385728

約数和(自身を除く): 1736437

約数列:

[1, 23, 41, 67, 311, 943, 1541, 2747, 7153, 12751, 20837, 63181, 293273, 479251, 854317, 19649291]

約数ペア:

[(1, 19649291), (23, 854317), (41, 479251), (67, 293273), (311, 63181), (943, 20837), (1541, 12751), (2747, 7153)]