2644990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13921}}^1$

素因数の和:13947

約数の個数: 16

約数和(自身を含む): 5011920

約数和(自身を除く): 2366930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 13921, 27842, 69605, 139210, 264499, 528998, 1322495, 2644990]

約数ペア:

[(1, 2644990), (2, 1322495), (5, 528998), (10, 264499), (19, 139210), (38, 69605), (95, 27842), (190, 13921)]