19543381

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7193}}^1$

素因数の和:7236

約数の個数: 16

約数和(自身を含む): 24171840

約数和(自身を除く): 4628459

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 7193, 79123, 93509, 136667, 1028599, 1503337, 1776671, 19543381]

約数ペア:

[(1, 19543381), (11, 1776671), (13, 1503337), (19, 1028599), (143, 136667), (209, 93509), (247, 79123), (2717, 7193)]