18937828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{52027}}^1$

素因数の和:52051

約数の個数: 24

約数和(自身を含む): 40789952

約数和(自身を除く): 21852124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 52027, 104054, 208108, 364189, 676351, 728378, 1352702, 1456756, 2705404, 4734457, 9468914, 18937828]

約数ペア:

[(1, 18937828), (2, 9468914), (4, 4734457), (7, 2705404), (13, 1456756), (14, 1352702), (26, 728378), (28, 676351), (52, 364189), (91, 208108), (182, 104054), (364, 52027)]