19038817

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 23034240

約数和(自身を除く): 3995423

約数列:

[1, 7, 19, 133, 257, 557, 1799, 3899, 4883, 10583, 34181, 74081, 143149, 1002043, 2719831, 19038817]

約数ペア:

[(1, 19038817), (7, 2719831), (19, 1002043), (133, 143149), (257, 74081), (557, 34181), (1799, 10583), (3899, 4883)]