19492820

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1427}}^1$

素因数の和:2119

約数の個数: 24

約数和(自身を含む): 41023584

約数和(自身を除く): 21530764

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 1427, 2732, 2854, 3415, 5708, 6830, 7135, 13660, 14270, 28540, 974641, 1949282, 3898564, 4873205, 9746410, 19492820]

約数ペア:

[(1, 19492820), (2, 9746410), (4, 4873205), (5, 3898564), (10, 1949282), (20, 974641), (683, 28540), (1366, 14270), (1427, 13660), (2732, 7135), (2854, 6830), (3415, 5708)]