19351556

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 40857600

約数和(自身を除く): 21506044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 151, 161, 199, 302, 322, 398, 604, 644, 796, 1057, 1393, 2114, 2786, 3473, 4228, 4577, 5572, 6946, 9154, 13892, 18308, 24311, 30049, 32039, 48622, 60098, 64078, 97244, 120196, 128156, 210343, 420686, 691127, 841372, 1382254, 2764508, 4837889, 9675778, 19351556]

約数ペア:

[(1, 19351556), (2, 9675778), (4, 4837889), (7, 2764508), (14, 1382254), (23, 841372), (28, 691127), (46, 420686), (92, 210343), (151, 128156), (161, 120196), (199, 97244), (302, 64078), (322, 60098), (398, 48622), (604, 32039), (644, 30049), (796, 24311), (1057, 18308), (1393, 13892), (2114, 9154), (2786, 6946), (3473, 5572), (4228, 4577)]