19493978

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{44917}}^1$

素因数の和:44957

約数の個数: 16

約数和(自身を含む): 34497024

約数和(自身を除く): 15003046

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 44917, 89834, 314419, 628838, 1392427, 2784854, 9746989, 19493978]

約数ペア:

[(1, 19493978), (2, 9746989), (7, 2784854), (14, 1392427), (31, 628838), (62, 314419), (217, 89834), (434, 44917)]