19506320

素因数分解:

$2^4\times 5^1\times {\mathrm{243829}}^1$

素因数の和:243842

約数の個数: 20

約数和(自身を含む): 45352380

約数和(自身を除く): 25846060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 243829, 487658, 975316, 1219145, 1950632, 2438290, 3901264, 4876580, 9753160, 19506320]

約数ペア:

[(1, 19506320), (2, 9753160), (4, 4876580), (5, 3901264), (8, 2438290), (10, 1950632), (16, 1219145), (20, 975316), (40, 487658), (80, 243829)]