20161491812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3445231}}^1$

素因数の和:3445272

約数の個数: 48

約数和(自身を含む): 46303918080

約数和(自身を除く): 26142426268

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 3445231, 6890462, 13780924, 24116617, 37897541, 48233234, 65459389, 75795082, 96466468, 130918778, 151590164, 261837556, 265282787, 458215723, 530565574, 720053279, 916431446, 1061131148, 1440106558, 1832862892, 2880213116, 5040372953, 10080745906, 20161491812]

約数ペア:

[(1, 20161491812), (2, 10080745906), (4, 5040372953), (7, 2880213116), (11, 1832862892), (14, 1440106558), (19, 1061131148), (22, 916431446), (28, 720053279), (38, 530565574), (44, 458215723), (76, 265282787), (77, 261837556), (133, 151590164), (154, 130918778), (209, 96466468), (266, 75795082), (308, 65459389), (418, 48233234), (532, 37897541), (836, 24116617), (1463, 13780924), (2926, 6890462), (5852, 3445231)]