19654852

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10477}}^1$

素因数の和:10555

約数の個数: 24

約数和(自身を含む): 39900224

約数和(自身を除く): 20245372

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 10477, 20954, 41908, 73339, 146678, 293356, 701959, 1403918, 2807836, 4913713, 9827426, 19654852]

約数ペア:

[(1, 19654852), (2, 9827426), (4, 4913713), (7, 2807836), (14, 1403918), (28, 701959), (67, 293356), (134, 146678), (268, 73339), (469, 41908), (938, 20954), (1876, 10477)]