18694278

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 42181776

約数和(自身を除く): 23487498

約数列:

[1, 2, 3, 6, 9, 18, 41, 73, 82, 123, 146, 219, 246, 347, 369, 438, 657, 694, 738, 1041, 1314, 2082, 2993, 3123, 5986, 6246, 8979, 14227, 17958, 25331, 26937, 28454, 42681, 50662, 53874, 75993, 85362, 128043, 151986, 227979, 256086, 455958, 1038571, 2077142, 3115713, 6231426, 9347139, 18694278]

約数ペア:

[(1, 18694278), (2, 9347139), (3, 6231426), (6, 3115713), (9, 2077142), (18, 1038571), (41, 455958), (73, 256086), (82, 227979), (123, 151986), (146, 128043), (219, 85362), (246, 75993), (347, 53874), (369, 50662), (438, 42681), (657, 28454), (694, 26937), (738, 25331), (1041, 17958), (1314, 14227), (2082, 8979), (2993, 6246), (3123, 5986)]