19055729

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4057}}^1$

素因数の和:4136

約数の個数: 16

約数和(自身を含む): 24153216

約数和(自身を除く): 5097487

約数列:

[1, 7, 11, 61, 77, 427, 671, 4057, 4697, 28399, 44627, 247477, 312389, 1732339, 2722247, 19055729]

約数ペア:

[(1, 19055729), (7, 2722247), (11, 1732339), (61, 312389), (77, 247477), (427, 44627), (671, 28399), (4057, 4697)]