19478216

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{5953}}^1$

素因数の和:6368

約数の個数: 16

約数和(自身を含む): 36617100

約数和(自身を除く): 17138884

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 5953, 11906, 23812, 47624, 2434777, 4869554, 9739108, 19478216]

約数ペア:

[(1, 19478216), (2, 9739108), (4, 4869554), (8, 2434777), (409, 47624), (818, 23812), (1636, 11906), (3272, 5953)]