19256859

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7669}}^1$

素因数の和:7712

約数の個数: 20

約数和(自身を含む): 29698240

約数和(自身を除く): 10441381

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7669, 23007, 69021, 207063, 237739, 621189, 713217, 2139651, 6418953, 19256859]

約数ペア:

[(1, 19256859), (3, 6418953), (9, 2139651), (27, 713217), (31, 621189), (81, 237739), (93, 207063), (279, 69021), (837, 23007), (2511, 7669)]