18018091

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{509}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 22276800

約数和(自身を除く): 4258709

約数列:

[1, 7, 13, 91, 389, 509, 2723, 3563, 5057, 6617, 35399, 46319, 198001, 1386007, 2574013, 18018091]

約数ペア:

[(1, 18018091), (7, 2574013), (13, 1386007), (91, 198001), (389, 46319), (509, 35399), (2723, 6617), (3563, 5057)]