19840970

素因数分解:

$2^1\times 5^1\times {\mathrm{757}}^1\times {\mathrm{2621}}^1$

素因数の和:3385

約数の個数: 16

約数和(自身を含む): 35774568

約数和(自身を除く): 15933598

約数列:

[1, 2, 5, 10, 757, 1514, 2621, 3785, 5242, 7570, 13105, 26210, 1984097, 3968194, 9920485, 19840970]

約数ペア:

[(1, 19840970), (2, 9920485), (5, 3968194), (10, 1984097), (757, 26210), (1514, 13105), (2621, 7570), (3785, 5242)]