2017994864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{6638141}}^1$

素因数の和:6638168

約数の個数: 20

約数和(自身を含む): 4115648040

約数和(自身を除く): 2097653176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6638141, 13276282, 26552564, 53105128, 106210256, 126124679, 252249358, 504498716, 1008997432, 2017994864]

約数ペア:

[(1, 2017994864), (2, 1008997432), (4, 504498716), (8, 252249358), (16, 126124679), (19, 106210256), (38, 53105128), (76, 26552564), (152, 13276282), (304, 6638141)]