19804161

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{2237}}^1$

素因数の和:2480

約数の個数: 16

約数和(自身を含む): 28574784

約数和(自身を除く): 8770623

約数列:

[1, 3, 13, 39, 227, 681, 2237, 2951, 6711, 8853, 29081, 87243, 507799, 1523397, 6601387, 19804161]

約数ペア:

[(1, 19804161), (3, 6601387), (13, 1523397), (39, 507799), (227, 87243), (681, 29081), (2237, 8853), (2951, 6711)]