19163996840

素因数分解:

$2^3\times 5^1\times {\mathrm{479099921}}^1$

素因数の和:479099932

約数の個数: 16

約数和(自身を含む): 43118992980

約数和(自身を除く): 23954996140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479099921, 958199842, 1916399684, 2395499605, 3832799368, 4790999210, 9581998420, 19163996840]

約数ペア:

[(1, 19163996840), (2, 9581998420), (4, 4790999210), (5, 3832799368), (8, 2395499605), (10, 1916399684), (20, 958199842), (40, 479099921)]