18931923

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{5827}}^1$

素因数の和:5871

約数の個数: 18

約数和(自身を含む): 28866084

約数和(自身を除く): 9934161

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 5827, 17481, 52443, 110713, 332139, 996417, 2103547, 6310641, 18931923]

約数ペア:

[(1, 18931923), (3, 6310641), (9, 2103547), (19, 996417), (57, 332139), (171, 110713), (361, 52443), (1083, 17481), (3249, 5827)]