19749008

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{9719}}^1$

素因数の和:9854

約数の個数: 20

約数和(自身を含む): 38568960

約数和(自身を除く): 18819952

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 9719, 19438, 38876, 77752, 155504, 1234313, 2468626, 4937252, 9874504, 19749008]

約数ペア:

[(1, 19749008), (2, 9874504), (4, 4937252), (8, 2468626), (16, 1234313), (127, 155504), (254, 77752), (508, 38876), (1016, 19438), (2032, 9719)]