19943025

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1913}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 33227040

約数和(自身を除く): 13284015

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 1913, 2085, 3475, 5739, 9565, 10425, 28695, 47825, 143475, 265907, 797721, 1329535, 3988605, 6647675, 19943025]

約数ペア:

[(1, 19943025), (3, 6647675), (5, 3988605), (15, 1329535), (25, 797721), (75, 265907), (139, 143475), (417, 47825), (695, 28695), (1913, 10425), (2085, 9565), (3475, 5739)]