19215757

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 21700224

約数和(自身を除く): 2484467

約数列:

[1, 11, 41, 137, 311, 451, 1507, 3421, 5617, 12751, 42607, 61787, 140261, 468677, 1746887, 19215757]

約数ペア:

[(1, 19215757), (11, 1746887), (41, 468677), (137, 140261), (311, 61787), (451, 42607), (1507, 12751), (3421, 5617)]