19152940

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1087}}^1$

素因数の和:1977

約数の個数: 24

約数和(自身を含む): 40303872

約数和(自身を除く): 21150932

約数列:

[1, 2, 4, 5, 10, 20, 881, 1087, 1762, 2174, 3524, 4348, 4405, 5435, 8810, 10870, 17620, 21740, 957647, 1915294, 3830588, 4788235, 9576470, 19152940]

約数ペア:

[(1, 19152940), (2, 9576470), (4, 4788235), (5, 3830588), (10, 1915294), (20, 957647), (881, 21740), (1087, 17620), (1762, 10870), (2174, 8810), (3524, 5435), (4348, 4405)]