19204717

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 23639040

約数和(自身を除く): 4434323

約数列:

[1, 7, 31, 47, 49, 217, 269, 329, 1457, 1519, 1883, 2303, 8339, 10199, 12643, 13181, 58373, 71393, 88501, 391933, 408611, 619507, 2743531, 19204717]

約数ペア:

[(1, 19204717), (7, 2743531), (31, 619507), (47, 408611), (49, 391933), (217, 88501), (269, 71393), (329, 58373), (1457, 13181), (1519, 12643), (1883, 10199), (2303, 8339)]