18717384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2591}}^1$

素因数の和:2650

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 36025656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 2591, 3612, 5182, 7224, 7773, 10364, 15546, 18137, 20728, 31092, 36274, 54411, 62184, 72548, 108822, 111413, 145096, 217644, 222826, 334239, 435288, 445652, 668478, 779891, 891304, 1336956, 1559782, 2339673, 2673912, 3119564, 4679346, 6239128, 9358692, 18717384]

約数ペア:

[(1, 18717384), (2, 9358692), (3, 6239128), (4, 4679346), (6, 3119564), (7, 2673912), (8, 2339673), (12, 1559782), (14, 1336956), (21, 891304), (24, 779891), (28, 668478), (42, 445652), (43, 435288), (56, 334239), (84, 222826), (86, 217644), (129, 145096), (168, 111413), (172, 108822), (258, 72548), (301, 62184), (344, 54411), (516, 36274), (602, 31092), (903, 20728), (1032, 18137), (1204, 15546), (1806, 10364), (2408, 7773), (2591, 7224), (3612, 5182)]