19719416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{129733}}^1$

素因数の和:129758

約数の個数: 16

約数和(自身を含む): 38920200

約数和(自身を除く): 19200784

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 129733, 259466, 518932, 1037864, 2464927, 4929854, 9859708, 19719416]

約数ペア:

[(1, 19719416), (2, 9859708), (4, 4929854), (8, 2464927), (19, 1037864), (38, 518932), (76, 259466), (152, 129733)]