19860472

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{677}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 39459600

約数和(自身を除く): 19599128

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 193, 386, 677, 772, 1354, 1544, 2708, 3667, 5416, 7334, 12863, 14668, 25726, 29336, 51452, 102904, 130661, 261322, 522644, 1045288, 2482559, 4965118, 9930236, 19860472]

約数ペア:

[(1, 19860472), (2, 9930236), (4, 4965118), (8, 2482559), (19, 1045288), (38, 522644), (76, 261322), (152, 130661), (193, 102904), (386, 51452), (677, 29336), (772, 25726), (1354, 14668), (1544, 12863), (2708, 7334), (3667, 5416)]