19872915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77933}}^1$

素因数の和:77958

約数の個数: 16

約数和(自身を含む): 33667488

約数和(自身を除く): 13794573

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 77933, 233799, 389665, 1168995, 1324861, 3974583, 6624305, 19872915]

約数ペア:

[(1, 19872915), (3, 6624305), (5, 3974583), (15, 1324861), (17, 1168995), (51, 389665), (85, 233799), (255, 77933)]