18665409273

素因数分解:

$3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{3208769}}^1$

素因数の和:3209056

約数の個数: 16

約数和(自身を含む): 28545217920

約数和(自身を除く): 9879808647

約数列:

[1, 3, 7, 21, 277, 831, 1939, 5817, 3208769, 9626307, 22461383, 67384149, 888829013, 2666487039, 6221803091, 18665409273]

約数ペア:

[(1, 18665409273), (3, 6221803091), (7, 2666487039), (21, 888829013), (277, 67384149), (831, 22461383), (1939, 9626307), (5817, 3208769)]