19806256

素因数分解:

$2^4\times {\mathrm{367}}^1\times {\mathrm{3373}}^1$

素因数の和:3748

約数の個数: 20

約数和(自身を含む): 38490592

約数和(自身を除く): 18684336

約数列:

[1, 2, 4, 8, 16, 367, 734, 1468, 2936, 3373, 5872, 6746, 13492, 26984, 53968, 1237891, 2475782, 4951564, 9903128, 19806256]

約数ペア:

[(1, 19806256), (2, 9903128), (4, 4951564), (8, 2475782), (16, 1237891), (367, 53968), (734, 26984), (1468, 13492), (2936, 6746), (3373, 5872)]