1340336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4409}}^1$

素因数の和:4436

約数の個数: 20

約数和(自身を含む): 2734200

約数和(自身を除く): 1393864

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4409, 8818, 17636, 35272, 70544, 83771, 167542, 335084, 670168, 1340336]

約数ペア:

[(1, 1340336), (2, 670168), (4, 335084), (8, 167542), (16, 83771), (19, 70544), (38, 35272), (76, 17636), (152, 8818), (304, 4409)]