18680634

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4007}}^1$

素因数の和:4059

約数の個数: 48

約数和(自身を含む): 47518848

約数和(自身を除く): 28838214

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4007, 4662, 8014, 12021, 24042, 28049, 36063, 56098, 72126, 84147, 148259, 168294, 252441, 296518, 444777, 504882, 889554, 1037813, 1334331, 2075626, 2668662, 3113439, 6226878, 9340317, 18680634]

約数ペア:

[(1, 18680634), (2, 9340317), (3, 6226878), (6, 3113439), (7, 2668662), (9, 2075626), (14, 1334331), (18, 1037813), (21, 889554), (37, 504882), (42, 444777), (63, 296518), (74, 252441), (111, 168294), (126, 148259), (222, 84147), (259, 72126), (333, 56098), (518, 36063), (666, 28049), (777, 24042), (1554, 12021), (2331, 8014), (4007, 4662)]