19528660

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8641}}^1$

素因数の和:8763

約数の個数: 24

約数和(自身を含む): 41377896

約数和(自身を除く): 21849236

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8641, 17282, 34564, 43205, 86410, 172820, 976433, 1952866, 3905732, 4882165, 9764330, 19528660]

約数ペア:

[(1, 19528660), (2, 9764330), (4, 4882165), (5, 3905732), (10, 1952866), (20, 976433), (113, 172820), (226, 86410), (452, 43205), (565, 34564), (1130, 17282), (2260, 8641)]