18347756

素因数分解:

$2^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 38438400

約数和(自身を除く): 20090644

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 311, 343, 602, 622, 686, 1204, 1244, 1372, 2107, 2177, 4214, 4354, 8428, 8708, 13373, 14749, 15239, 26746, 29498, 30478, 53492, 58996, 60956, 93611, 106673, 187222, 213346, 374444, 426692, 655277, 1310554, 2621108, 4586939, 9173878, 18347756]

約数ペア:

[(1, 18347756), (2, 9173878), (4, 4586939), (7, 2621108), (14, 1310554), (28, 655277), (43, 426692), (49, 374444), (86, 213346), (98, 187222), (172, 106673), (196, 93611), (301, 60956), (311, 58996), (343, 53492), (602, 30478), (622, 29498), (686, 26746), (1204, 15239), (1244, 14749), (1372, 13373), (2107, 8708), (2177, 8428), (4214, 4354)]