2019221813

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{15887}}^1$

素因数の和:16232

約数の個数: 16

約数和(自身を含む): 2350915584

約数和(自身を除く): 331693771

約数列:

[1, 7, 67, 271, 469, 1897, 15887, 18157, 111209, 127099, 1064429, 4305377, 7451003, 30137639, 288460259, 2019221813]

約数ペア:

[(1, 2019221813), (7, 288460259), (67, 30137639), (271, 7451003), (469, 4305377), (1897, 1064429), (15887, 127099), (18157, 111209)]