19963508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1697}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 37226952

約数和(自身を除く): 17263444

約数列:

[1, 2, 4, 17, 34, 68, 173, 346, 692, 1697, 2941, 3394, 5882, 6788, 11764, 28849, 57698, 115396, 293581, 587162, 1174324, 4990877, 9981754, 19963508]

約数ペア:

[(1, 19963508), (2, 9981754), (4, 4990877), (17, 1174324), (34, 587162), (68, 293581), (173, 115396), (346, 57698), (692, 28849), (1697, 11764), (2941, 6788), (3394, 5882)]