19944784

素因数分解:

$2^4\times {\mathrm{769}}^1\times {\mathrm{1621}}^1$

素因数の和:2398

約数の個数: 20

約数和(自身を含む): 38717140

約数和(自身を除く): 18772356

約数列:

[1, 2, 4, 8, 16, 769, 1538, 1621, 3076, 3242, 6152, 6484, 12304, 12968, 25936, 1246549, 2493098, 4986196, 9972392, 19944784]

約数ペア:

[(1, 19944784), (2, 9972392), (4, 4986196), (8, 2493098), (16, 1246549), (769, 25936), (1538, 12968), (1621, 12304), (3076, 6484), (3242, 6152)]