18389639212

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{934243}}^1$

素因数の和:934310

約数の個数: 48

約数和(自身を含む): 39761424640

約数和(自身を除く): 21371785428

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1406, 2812, 4921, 9842, 19684, 934243, 1868486, 3736972, 6539701, 13079402, 17750617, 26158804, 34566991, 35501234, 69133982, 71002468, 124254319, 138267964, 241968937, 248508638, 483937874, 497017276, 656772829, 967875748, 1313545658, 2627091316, 4597409803, 9194819606, 18389639212]

約数ペア:

[(1, 18389639212), (2, 9194819606), (4, 4597409803), (7, 2627091316), (14, 1313545658), (19, 967875748), (28, 656772829), (37, 497017276), (38, 483937874), (74, 248508638), (76, 241968937), (133, 138267964), (148, 124254319), (259, 71002468), (266, 69133982), (518, 35501234), (532, 34566991), (703, 26158804), (1036, 17750617), (1406, 13079402), (2812, 6539701), (4921, 3736972), (9842, 1868486), (19684, 934243)]