18445658

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 35754048

約数和(自身を除く): 17308390

約数列:

[1, 2, 7, 11, 14, 22, 49, 71, 77, 98, 142, 154, 241, 482, 497, 539, 781, 994, 1078, 1562, 1687, 2651, 3374, 3479, 5302, 5467, 6958, 10934, 11809, 17111, 18557, 23618, 34222, 37114, 38269, 76538, 119777, 129899, 188221, 239554, 259798, 376442, 838439, 1317547, 1676878, 2635094, 9222829, 18445658]

約数ペア:

[(1, 18445658), (2, 9222829), (7, 2635094), (11, 1676878), (14, 1317547), (22, 838439), (49, 376442), (71, 259798), (77, 239554), (98, 188221), (142, 129899), (154, 119777), (241, 76538), (482, 38269), (497, 37114), (539, 34222), (781, 23618), (994, 18557), (1078, 17111), (1562, 11809), (1687, 10934), (2651, 6958), (3374, 5467), (3479, 5302)]