18940970

素因数分解:

$2^1\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1823}}^1$

素因数の和:2869

約数の個数: 16

約数和(自身を含む): 34145280

約数和(自身を除く): 15204310

約数列:

[1, 2, 5, 10, 1039, 1823, 2078, 3646, 5195, 9115, 10390, 18230, 1894097, 3788194, 9470485, 18940970]

約数ペア:

[(1, 18940970), (2, 9470485), (5, 3788194), (10, 1894097), (1039, 18230), (1823, 10390), (2078, 9115), (3646, 5195)]