12943408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{42577}}^1$

素因数の和:42604

約数の個数: 20

約数和(自身を含む): 26398360

約数和(自身を除く): 13454952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 42577, 85154, 170308, 340616, 681232, 808963, 1617926, 3235852, 6471704, 12943408]

約数ペア:

[(1, 12943408), (2, 6471704), (4, 3235852), (8, 1617926), (16, 808963), (19, 681232), (38, 340616), (76, 170308), (152, 85154), (304, 42577)]