19088140

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2267}}^1$

素因数の和:2697

約数の個数: 24

約数和(自身を含む): 40198032

約数和(自身を除く): 21109892

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2267, 4210, 4534, 8420, 9068, 11335, 22670, 45340, 954407, 1908814, 3817628, 4772035, 9544070, 19088140]

約数ペア:

[(1, 19088140), (2, 9544070), (4, 4772035), (5, 3817628), (10, 1908814), (20, 954407), (421, 45340), (842, 22670), (1684, 11335), (2105, 9068), (2267, 8420), (4210, 4534)]