19807254

素因数分解:

$2^1\times 3^4\times {\mathrm{122267}}^1$

素因数の和:122281

約数の個数: 20

約数和(自身を含む): 44383284

約数和(自身を除く): 24576030

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 122267, 244534, 366801, 733602, 1100403, 2200806, 3301209, 6602418, 9903627, 19807254]

約数ペア:

[(1, 19807254), (2, 9903627), (3, 6602418), (6, 3301209), (9, 2200806), (18, 1100403), (27, 733602), (54, 366801), (81, 244534), (162, 122267)]