18729543

素因数分解:

$3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{3929}}^1$

素因数の和:4166

約数の個数: 16

約数和(自身を含む): 28673280

約数和(自身を除く): 9943737

約数列:

[1, 3, 7, 21, 227, 681, 1589, 3929, 4767, 11787, 27503, 82509, 891883, 2675649, 6243181, 18729543]

約数ペア:

[(1, 18729543), (3, 6243181), (7, 2675649), (21, 891883), (227, 82509), (681, 27503), (1589, 11787), (3929, 4767)]