19604187

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{1399}}^1$

素因数の和:1584

約数の個数: 20

約数和(自身を含む): 29475600

約数和(自身を除く): 9871413

約数列:

[1, 3, 9, 27, 81, 173, 519, 1399, 1557, 4197, 4671, 12591, 14013, 37773, 113319, 242027, 726081, 2178243, 6534729, 19604187]

約数ペア:

[(1, 19604187), (3, 6534729), (9, 2178243), (27, 726081), (81, 242027), (173, 113319), (519, 37773), (1399, 14013), (1557, 12591), (4197, 4671)]