18406248

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{331}}^2$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 52748640

約数和(自身を除く): 34342392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 331, 662, 993, 1324, 1986, 2317, 2648, 3972, 4634, 6951, 7944, 9268, 13902, 18536, 27804, 55608, 109561, 219122, 328683, 438244, 657366, 766927, 876488, 1314732, 1533854, 2300781, 2629464, 3067708, 4601562, 6135416, 9203124, 18406248]

約数ペア:

[(1, 18406248), (2, 9203124), (3, 6135416), (4, 4601562), (6, 3067708), (7, 2629464), (8, 2300781), (12, 1533854), (14, 1314732), (21, 876488), (24, 766927), (28, 657366), (42, 438244), (56, 328683), (84, 219122), (168, 109561), (331, 55608), (662, 27804), (993, 18536), (1324, 13902), (1986, 9268), (2317, 7944), (2648, 6951), (3972, 4634)]