18856156

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{38959}}^1$

素因数の和:38985

約数の個数: 18

約数和(自身を含む): 36271760

約数和(自身を除く): 17415604

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 38959, 77918, 155836, 428549, 857098, 1714196, 4714039, 9428078, 18856156]

約数ペア:

[(1, 18856156), (2, 9428078), (4, 4714039), (11, 1714196), (22, 857098), (44, 428549), (121, 155836), (242, 77918), (484, 38959)]