18743553

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 28075008

約数和(自身を除く): 9331455

約数列:

[1, 3, 9, 47, 73, 141, 219, 423, 607, 657, 1821, 3431, 5463, 10293, 28529, 30879, 44311, 85587, 132933, 256761, 398799, 2082617, 6247851, 18743553]

約数ペア:

[(1, 18743553), (3, 6247851), (9, 2082617), (47, 398799), (73, 256761), (141, 132933), (219, 85587), (423, 44311), (607, 30879), (657, 28529), (1821, 10293), (3431, 5463)]