19820816

素因数分解:

$2^4\times {\mathrm{1238801}}^1$

素因数の和:1238809

約数の個数: 10

約数和(自身を含む): 38402862

約数和(自身を除く): 18582046

約数列:

[1, 2, 4, 8, 16, 1238801, 2477602, 4955204, 9910408, 19820816]

約数ペア:

[(1, 19820816), (2, 9910408), (4, 4955204), (8, 2477602), (16, 1238801)]