19136540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14281}}^1$

素因数の和:14357

約数の個数: 24

約数和(自身を含む): 40789392

約数和(自身を除く): 21652852

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 14281, 28562, 57124, 71405, 142810, 285620, 956827, 1913654, 3827308, 4784135, 9568270, 19136540]

約数ペア:

[(1, 19136540), (2, 9568270), (4, 4784135), (5, 3827308), (10, 1913654), (20, 956827), (67, 285620), (134, 142810), (268, 71405), (335, 57124), (670, 28562), (1340, 14281)]