18655142780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2887793}}^1$

素因数の和:2887838

約数の個数: 48

約数和(自身を含む): 43663445280

約数和(自身を除く): 25008302500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 2887793, 5775586, 11551172, 14438965, 28877930, 49092481, 54868067, 57755860, 98184962, 109736134, 196369924, 219472268, 245462405, 274340335, 490924810, 548680670, 932757139, 981849620, 1097361340, 1865514278, 3731028556, 4663785695, 9327571390, 18655142780]

約数ペア:

[(1, 18655142780), (2, 9327571390), (4, 4663785695), (5, 3731028556), (10, 1865514278), (17, 1097361340), (19, 981849620), (20, 932757139), (34, 548680670), (38, 490924810), (68, 274340335), (76, 245462405), (85, 219472268), (95, 196369924), (170, 109736134), (190, 98184962), (323, 57755860), (340, 54868067), (380, 49092481), (646, 28877930), (1292, 14438965), (1615, 11551172), (3230, 5775586), (6460, 2887793)]