19187674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{4519}}^1$

素因数の和:4725

約数の個数: 16

約数和(自身を含む): 31567680

約数和(自身を除く): 12380006

約数列:

[1, 2, 11, 22, 193, 386, 2123, 4246, 4519, 9038, 49709, 99418, 872167, 1744334, 9593837, 19187674]

約数ペア:

[(1, 19187674), (2, 9593837), (11, 1744334), (22, 872167), (193, 99418), (386, 49709), (2123, 9038), (4246, 4519)]