19465025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 26025120

約数和(自身を除く): 6560095

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 953, 1075, 4085, 4765, 18107, 20425, 23825, 40979, 90535, 204895, 452675, 778601, 1024475, 3893005, 19465025]

約数ペア:

[(1, 19465025), (5, 3893005), (19, 1024475), (25, 778601), (43, 452675), (95, 204895), (215, 90535), (475, 40979), (817, 23825), (953, 20425), (1075, 18107), (4085, 4765)]