19904588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{452377}}^1$

素因数の和:452392

約数の個数: 12

約数和(自身を含む): 37999752

約数和(自身を除く): 18095164

約数列:

[1, 2, 4, 11, 22, 44, 452377, 904754, 1809508, 4976147, 9952294, 19904588]

約数ペア:

[(1, 19904588), (2, 9952294), (4, 4976147), (11, 1809508), (22, 904754), (44, 452377)]