18432820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2687}}^1$

素因数の和:2717

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 26725580

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, 2687, 3430, 5374, 6860, 10748, 13435, 18809, 26870, 37618, 53740, 75236, 94045, 131663, 188090, 263326, 376180, 526652, 658315, 921641, 1316630, 1843282, 2633260, 3686564, 4608205, 9216410, 18432820]

約数ペア:

[(1, 18432820), (2, 9216410), (4, 4608205), (5, 3686564), (7, 2633260), (10, 1843282), (14, 1316630), (20, 921641), (28, 658315), (35, 526652), (49, 376180), (70, 263326), (98, 188090), (140, 131663), (196, 94045), (245, 75236), (343, 53740), (490, 37618), (686, 26870), (980, 18809), (1372, 13435), (1715, 10748), (2687, 6860), (3430, 5374)]