19391104

素因数分解:

$2^7\times {\mathrm{197}}^1\times {\mathrm{769}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 38877300

約数和(自身を除く): 19486196

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 394, 769, 788, 1538, 1576, 3076, 3152, 6152, 6304, 12304, 12608, 24608, 25216, 49216, 98432, 151493, 302986, 605972, 1211944, 2423888, 4847776, 9695552, 19391104]

約数ペア:

[(1, 19391104), (2, 9695552), (4, 4847776), (8, 2423888), (16, 1211944), (32, 605972), (64, 302986), (128, 151493), (197, 98432), (394, 49216), (769, 25216), (788, 24608), (1538, 12608), (1576, 12304), (3076, 6304), (3152, 6152)]