19490696

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{56659}}^1$

素因数の和:56708

約数の個数: 16

約数和(自身を含む): 37395600

約数和(自身を除く): 17904904

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 56659, 113318, 226636, 453272, 2436337, 4872674, 9745348, 19490696]

約数ペア:

[(1, 19490696), (2, 9745348), (4, 4872674), (8, 2436337), (43, 453272), (86, 226636), (172, 113318), (344, 56659)]