19438778878

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3338849}}^1$

素因数の和:3338963

約数の個数: 16

約数和(自身を含む): 30290047200

約数和(自身を除く): 10851268322

約数列:

[1, 2, 41, 71, 82, 142, 2911, 5822, 3338849, 6677698, 136892809, 237058279, 273785618, 474116558, 9719389439, 19438778878]

約数ペア:

[(1, 19438778878), (2, 9719389439), (41, 474116558), (71, 273785618), (82, 237058279), (142, 136892809), (2911, 6677698), (5822, 3338849)]