18001060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11689}}^1$

素因数の和:11716

約数の個数: 48

約数和(自身を含む): 47134080

約数和(自身を除く): 29133020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 11689, 23378, 46756, 58445, 81823, 116890, 128579, 163646, 233780, 257158, 327292, 409115, 514316, 642895, 818230, 900053, 1285790, 1636460, 1800106, 2571580, 3600212, 4500265, 9000530, 18001060]

約数ペア:

[(1, 18001060), (2, 9000530), (4, 4500265), (5, 3600212), (7, 2571580), (10, 1800106), (11, 1636460), (14, 1285790), (20, 900053), (22, 818230), (28, 642895), (35, 514316), (44, 409115), (55, 327292), (70, 257158), (77, 233780), (110, 163646), (140, 128579), (154, 116890), (220, 81823), (308, 58445), (385, 46756), (770, 23378), (1540, 11689)]