18863713

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2099}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 3312287

約数列:

[1, 11, 19, 43, 209, 473, 817, 2099, 8987, 23089, 39881, 90257, 438691, 992827, 1714883, 18863713]

約数ペア:

[(1, 18863713), (11, 1714883), (19, 992827), (43, 438691), (209, 90257), (473, 39881), (817, 23089), (2099, 8987)]