19115240

素因数分解:

$2^3\times 5^1\times {\mathrm{477881}}^1$

素因数の和:477892

約数の個数: 16

約数和(自身を含む): 43009380

約数和(自身を除く): 23894140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 477881, 955762, 1911524, 2389405, 3823048, 4778810, 9557620, 19115240]

約数ペア:

[(1, 19115240), (2, 9557620), (4, 4778810), (5, 3823048), (8, 2389405), (10, 1911524), (20, 955762), (40, 477881)]