18138464260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2644091}}^1$

素因数の和:2644121

約数の個数: 48

約数和(自身を含む): 44420745600

約数和(自身を除く): 26282281340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 2644091, 5288182, 10576364, 13220455, 18508637, 26440910, 37017274, 52881820, 74034548, 92543185, 129560459, 185086370, 259120918, 370172740, 518241836, 647802295, 906923213, 1295604590, 1813846426, 2591209180, 3627692852, 4534616065, 9069232130, 18138464260]

約数ペア:

[(1, 18138464260), (2, 9069232130), (4, 4534616065), (5, 3627692852), (7, 2591209180), (10, 1813846426), (14, 1295604590), (20, 906923213), (28, 647802295), (35, 518241836), (49, 370172740), (70, 259120918), (98, 185086370), (140, 129560459), (196, 92543185), (245, 74034548), (343, 52881820), (490, 37017274), (686, 26440910), (980, 18508637), (1372, 13220455), (1715, 10576364), (3430, 5288182), (6860, 2644091)]