19430271

素因数分解:

$3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1723}}^1$

素因数の和:1915

約数の個数: 24

約数和(自身を含む): 32273280

約数和(自身を除く): 12843009

約数列:

[1, 3, 7, 9, 21, 63, 179, 537, 1253, 1611, 1723, 3759, 5169, 11277, 12061, 15507, 36183, 108549, 308417, 925251, 2158919, 2775753, 6476757, 19430271]

約数ペア:

[(1, 19430271), (3, 6476757), (7, 2775753), (9, 2158919), (21, 925251), (63, 308417), (179, 108549), (537, 36183), (1253, 15507), (1611, 12061), (1723, 11277), (3759, 5169)]