198862018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{37649}}^1$

素因数の和:37809

約数の個数: 16

約数和(自身を含む): 316260000

約数和(自身を除く): 117397982

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 37649, 75298, 715331, 1430662, 5233211, 10466422, 99431009, 198862018]

約数ペア:

[(1, 198862018), (2, 99431009), (19, 10466422), (38, 5233211), (139, 1430662), (278, 715331), (2641, 75298), (5282, 37649)]