2018768404

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{21269}}^1$

素因数の和:21723

約数の個数: 24

約数和(自身を含む): 3600160200

約数和(自身を除く): 1581391796

約数列:

[1, 2, 4, 61, 122, 244, 389, 778, 1556, 21269, 23729, 42538, 47458, 85076, 94916, 1297409, 2594818, 5189636, 8273641, 16547282, 33094564, 504692101, 1009384202, 2018768404]

約数ペア:

[(1, 2018768404), (2, 1009384202), (4, 504692101), (61, 33094564), (122, 16547282), (244, 8273641), (389, 5189636), (778, 2594818), (1556, 1297409), (21269, 94916), (23729, 85076), (42538, 47458)]