18011714

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 33587136

約数和(自身を除く): 15575422

約数列:

[1, 2, 7, 14, 23, 46, 49, 61, 98, 122, 131, 161, 262, 322, 427, 854, 917, 1127, 1403, 1834, 2254, 2806, 2989, 3013, 5978, 6026, 6419, 7991, 9821, 12838, 15982, 19642, 21091, 42182, 55937, 68747, 111874, 137494, 147637, 183793, 295274, 367586, 391559, 783118, 1286551, 2573102, 9005857, 18011714]

約数ペア:

[(1, 18011714), (2, 9005857), (7, 2573102), (14, 1286551), (23, 783118), (46, 391559), (49, 367586), (61, 295274), (98, 183793), (122, 147637), (131, 137494), (161, 111874), (262, 68747), (322, 55937), (427, 42182), (854, 21091), (917, 19642), (1127, 15982), (1403, 12838), (1834, 9821), (2254, 7991), (2806, 6419), (2989, 6026), (3013, 5978)]