19228311

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 28664064

約数和(自身を除く): 9435753

約数列:

[1, 3, 9, 47, 131, 141, 347, 393, 423, 1041, 1179, 3123, 6157, 16309, 18471, 45457, 48927, 55413, 136371, 146781, 409113, 2136479, 6409437, 19228311]

約数ペア:

[(1, 19228311), (3, 6409437), (9, 2136479), (47, 409113), (131, 146781), (141, 136371), (347, 55413), (393, 48927), (423, 45457), (1041, 18471), (1179, 16309), (3123, 6157)]