18348668

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{27143}}^1$

素因数の和:27173

約数の個数: 18

約数和(自身を含む): 34771464

約数和(自身を除く): 16422796

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 27143, 54286, 108572, 352859, 705718, 1411436, 4587167, 9174334, 18348668]

約数ペア:

[(1, 18348668), (2, 9174334), (4, 4587167), (13, 1411436), (26, 705718), (52, 352859), (169, 108572), (338, 54286), (676, 27143)]