18866872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{138727}}^1$

素因数の和:138750

約数の個数: 16

約数和(自身を含む): 37456560

約数和(自身を除く): 18589688

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 138727, 277454, 554908, 1109816, 2358359, 4716718, 9433436, 18866872]

約数ペア:

[(1, 18866872), (2, 9433436), (4, 4716718), (8, 2358359), (17, 1109816), (34, 554908), (68, 277454), (136, 138727)]