19813386

素因数分解:

$2^1\times 3^1\times {\mathrm{613}}^1\times {\mathrm{5387}}^1$

素因数の和:6005

約数の個数: 16

約数和(自身を含む): 39698784

約数和(自身を除く): 19885398

約数列:

[1, 2, 3, 6, 613, 1226, 1839, 3678, 5387, 10774, 16161, 32322, 3302231, 6604462, 9906693, 19813386]

約数ペア:

[(1, 19813386), (2, 9906693), (3, 6604462), (6, 3302231), (613, 32322), (1226, 16161), (1839, 10774), (3678, 5387)]