19921329

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{38833}}^1$

素因数の和:38861

約数の個数: 16

約数和(自身を含む): 31067200

約数和(自身を除く): 11145871

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 38833, 116499, 349497, 737827, 1048491, 2213481, 6640443, 19921329]

約数ペア:

[(1, 19921329), (3, 6640443), (9, 2213481), (19, 1048491), (27, 737827), (57, 349497), (171, 116499), (513, 38833)]