15561424

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{4937}}^1$

素因数の和:5142

約数の個数: 20

約数和(自身を含む): 30309444

約数和(自身を除く): 14748020

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 4937, 9874, 19748, 39496, 78992, 972589, 1945178, 3890356, 7780712, 15561424]

約数ペア:

[(1, 15561424), (2, 7780712), (4, 3890356), (8, 1945178), (16, 972589), (197, 78992), (394, 39496), (788, 19748), (1576, 9874), (3152, 4937)]