18044289

素因数分解:

$3^4\times {\mathrm{367}}^1\times {\mathrm{607}}^1$

素因数の和:986

約数の個数: 20

約数和(自身を含む): 27073024

約数和(自身を除く): 9028735

約数列:

[1, 3, 9, 27, 81, 367, 607, 1101, 1821, 3303, 5463, 9909, 16389, 29727, 49167, 222769, 668307, 2004921, 6014763, 18044289]

約数ペア:

[(1, 18044289), (3, 6014763), (9, 2004921), (27, 668307), (81, 222769), (367, 49167), (607, 29727), (1101, 16389), (1821, 9909), (3303, 5463)]