19818466

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1129}}^1$

素因数の和:1329

約数の個数: 16

約数和(自身を含む): 30428640

約数和(自身を除く): 10610174

約数列:

[1, 2, 67, 131, 134, 262, 1129, 2258, 8777, 17554, 75643, 147899, 151286, 295798, 9909233, 19818466]

約数ペア:

[(1, 19818466), (2, 9909233), (67, 295798), (131, 151286), (134, 147899), (262, 75643), (1129, 17554), (2258, 8777)]