18477668

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{38177}}^1$

素因数の和:38203

約数の個数: 18

約数和(自身を含む): 35543718

約数和(自身を除く): 17066050

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 38177, 76354, 152708, 419947, 839894, 1679788, 4619417, 9238834, 18477668]

約数ペア:

[(1, 18477668), (2, 9238834), (4, 4619417), (11, 1679788), (22, 839894), (44, 419947), (121, 152708), (242, 76354), (484, 38177)]