19187620

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3733}}^1$

素因数の和:3999

約数の個数: 24

約数和(自身を含む): 40461624

約数和(自身を除く): 21274004

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 3733, 5140, 7466, 14932, 18665, 37330, 74660, 959381, 1918762, 3837524, 4796905, 9593810, 19187620]

約数ペア:

[(1, 19187620), (2, 9593810), (4, 4796905), (5, 3837524), (10, 1918762), (20, 959381), (257, 74660), (514, 37330), (1028, 18665), (1285, 14932), (2570, 7466), (3733, 5140)]