19659772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10391}}^1$

素因数の和:10449

約数の個数: 24

約数和(自身を含む): 38408832

約数和(自身を除く): 18749060

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10391, 20782, 41564, 114301, 228602, 446813, 457204, 893626, 1787252, 4914943, 9829886, 19659772]

約数ペア:

[(1, 19659772), (2, 9829886), (4, 4914943), (11, 1787252), (22, 893626), (43, 457204), (44, 446813), (86, 228602), (172, 114301), (473, 41564), (946, 20782), (1892, 10391)]