19796907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4657}}^1$

素因数の和:4782

約数の個数: 16

約数和(自身を含む): 28693280

約数和(自身を除く): 8896373

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 4657, 13971, 60541, 181623, 507613, 1522839, 6598969, 19796907]

約数ペア:

[(1, 19796907), (3, 6598969), (13, 1522839), (39, 507613), (109, 181623), (327, 60541), (1417, 13971), (4251, 4657)]