2018657540

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{126641}}^1$

素因数の和:127447

約数の個数: 24

約数和(自身を含む): 4244533272

約数和(自身を除く): 2225875732

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 7970, 15940, 126641, 253282, 506564, 633205, 1266410, 2532820, 100932877, 201865754, 403731508, 504664385, 1009328770, 2018657540]

約数ペア:

[(1, 2018657540), (2, 1009328770), (4, 504664385), (5, 403731508), (10, 201865754), (20, 100932877), (797, 2532820), (1594, 1266410), (3188, 633205), (3985, 506564), (7970, 253282), (15940, 126641)]