19077772

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{709}}^1$

素因数の和:782

約数の個数: 36

約数和(自身を含む): 39481680

約数和(自身を除く): 20403908

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 709, 868, 961, 1418, 1922, 2836, 3844, 4963, 6727, 9926, 13454, 19852, 21979, 26908, 43958, 87916, 153853, 307706, 615412, 681349, 1362698, 2725396, 4769443, 9538886, 19077772]

約数ペア:

[(1, 19077772), (2, 9538886), (4, 4769443), (7, 2725396), (14, 1362698), (28, 681349), (31, 615412), (62, 307706), (124, 153853), (217, 87916), (434, 43958), (709, 26908), (868, 21979), (961, 19852), (1418, 13454), (1922, 9926), (2836, 6727), (3844, 4963)]