2489836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{181}}^2$

素因数の和:385

約数の個数: 18

約数和(自身を含む): 4612020

約数和(自身を除く): 2122184

約数列:

[1, 2, 4, 19, 38, 76, 181, 362, 724, 3439, 6878, 13756, 32761, 65522, 131044, 622459, 1244918, 2489836]

約数ペア:

[(1, 2489836), (2, 1244918), (4, 622459), (19, 131044), (38, 65522), (76, 32761), (181, 13756), (362, 6878), (724, 3439)]