19168828

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{12917}}^1$

素因数の和:12981

約数の個数: 24

約数和(自身を含む): 39064032

約数和(自身を除く): 19895204

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 12917, 25834, 51668, 90419, 180838, 361676, 684601, 1369202, 2738404, 4792207, 9584414, 19168828]

約数ペア:

[(1, 19168828), (2, 9584414), (4, 4792207), (7, 2738404), (14, 1369202), (28, 684601), (53, 361676), (106, 180838), (212, 90419), (371, 51668), (742, 25834), (1484, 12917)]