19026380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9419}}^1$

素因数の和:9529

約数の個数: 24

約数和(自身を含む): 40355280

約数和(自身を除く): 21328900

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9419, 18838, 37676, 47095, 94190, 188380, 951319, 1902638, 3805276, 4756595, 9513190, 19026380]

約数ペア:

[(1, 19026380), (2, 9513190), (4, 4756595), (5, 3805276), (10, 1902638), (20, 951319), (101, 188380), (202, 94190), (404, 47095), (505, 37676), (1010, 18838), (2020, 9419)]