18155538

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 40969656

約数和(自身を除く): 22814118

約数列:

[1, 2, 3, 6, 9, 18, 41, 73, 82, 123, 146, 219, 246, 337, 369, 438, 657, 674, 738, 1011, 1314, 2022, 2993, 3033, 5986, 6066, 8979, 13817, 17958, 24601, 26937, 27634, 41451, 49202, 53874, 73803, 82902, 124353, 147606, 221409, 248706, 442818, 1008641, 2017282, 3025923, 6051846, 9077769, 18155538]

約数ペア:

[(1, 18155538), (2, 9077769), (3, 6051846), (6, 3025923), (9, 2017282), (18, 1008641), (41, 442818), (73, 248706), (82, 221409), (123, 147606), (146, 124353), (219, 82902), (246, 73803), (337, 53874), (369, 49202), (438, 41451), (657, 27634), (674, 26937), (738, 24601), (1011, 17958), (1314, 13817), (2022, 8979), (2993, 6066), (3033, 5986)]