19829728

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{3947}}^1$

素因数の和:4114

約数の個数: 24

約数和(自身を含む): 39298392

約数和(自身を除く): 19468664

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 3947, 5024, 7894, 15788, 31576, 63152, 126304, 619679, 1239358, 2478716, 4957432, 9914864, 19829728]

約数ペア:

[(1, 19829728), (2, 9914864), (4, 4957432), (8, 2478716), (16, 1239358), (32, 619679), (157, 126304), (314, 63152), (628, 31576), (1256, 15788), (2512, 7894), (3947, 5024)]