2019021809

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{106787}}^1$

素因数の和:106904

約数の個数: 16

約数和(自身を含む): 2402302848

約数和(自身を除く): 383281039

約数列:

[1, 7, 37, 73, 259, 511, 2701, 18907, 106787, 747509, 3951119, 7795451, 27657833, 54568157, 288431687, 2019021809]

約数ペア:

[(1, 2019021809), (7, 288431687), (37, 54568157), (73, 27657833), (259, 7795451), (511, 3951119), (2701, 747509), (18907, 106787)]