19481812

素因数分解:

$2^2\times 7^2\times {\mathrm{99397}}^1$

素因数の和:99415

約数の個数: 18

約数和(自身を含む): 39659802

約数和(自身を除く): 20177990

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 99397, 198794, 397588, 695779, 1391558, 2783116, 4870453, 9740906, 19481812]

約数ペア:

[(1, 19481812), (2, 9740906), (4, 4870453), (7, 2783116), (14, 1391558), (28, 695779), (49, 397588), (98, 198794), (196, 99397)]