18706389

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{2113}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 26991552

約数和(自身を除く): 8285163

約数列:

[1, 3, 13, 39, 227, 681, 2113, 2951, 6339, 8853, 27469, 82407, 479651, 1438953, 6235463, 18706389]

約数ペア:

[(1, 18706389), (3, 6235463), (13, 1438953), (39, 479651), (227, 82407), (681, 27469), (2113, 8853), (2951, 6339)]