18719123

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 20800800

約数和(自身を除く): 2081677

約数列:

[1, 19, 29, 53, 551, 641, 1007, 1537, 12179, 18589, 29203, 33973, 353191, 645487, 985217, 18719123]

約数ペア:

[(1, 18719123), (19, 985217), (29, 645487), (53, 353191), (551, 33973), (641, 29203), (1007, 18589), (1537, 12179)]