19857608

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80071}}^1$

素因数の和:80108

約数の個数: 16

約数和(自身を含む): 38434560

約数和(自身を除く): 18576952

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80071, 160142, 320284, 640568, 2482201, 4964402, 9928804, 19857608]

約数ペア:

[(1, 19857608), (2, 9928804), (4, 4964402), (8, 2482201), (31, 640568), (62, 320284), (124, 160142), (248, 80071)]