19657143

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1097}}^1$

素因数の和:1295

約数の個数: 24

約数和(自身を含む): 31174416

約数和(自身を除く): 11517273

約数列:

[1, 3, 9, 11, 33, 99, 181, 543, 1097, 1629, 1991, 3291, 5973, 9873, 12067, 17919, 36201, 108603, 198557, 595671, 1787013, 2184127, 6552381, 19657143]

約数ペア:

[(1, 19657143), (3, 6552381), (9, 2184127), (11, 1787013), (33, 595671), (99, 198557), (181, 108603), (543, 36201), (1097, 17919), (1629, 12067), (1991, 9873), (3291, 5973)]