19616828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{63691}}^1$

素因数の和:63713

約数の個数: 24

約数和(自身を含む): 42801024

約数和(自身を除く): 23184196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 63691, 127382, 254764, 445837, 700601, 891674, 1401202, 1783348, 2802404, 4904207, 9808414, 19616828]

約数ペア:

[(1, 19616828), (2, 9808414), (4, 4904207), (7, 2802404), (11, 1783348), (14, 1401202), (22, 891674), (28, 700601), (44, 445837), (77, 254764), (154, 127382), (308, 63691)]