18768984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1399}}^1$

素因数の和:1464

約数の個数: 64

約数和(自身を含む): 51744000

約数和(自身を除く): 32975016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1399, 1677, 2236, 2798, 3354, 4197, 4472, 5596, 6708, 8394, 11192, 13416, 16788, 18187, 33576, 36374, 54561, 60157, 72748, 109122, 120314, 145496, 180471, 218244, 240628, 360942, 436488, 481256, 721884, 782041, 1443768, 1564082, 2346123, 3128164, 4692246, 6256328, 9384492, 18768984]

約数ペア:

[(1, 18768984), (2, 9384492), (3, 6256328), (4, 4692246), (6, 3128164), (8, 2346123), (12, 1564082), (13, 1443768), (24, 782041), (26, 721884), (39, 481256), (43, 436488), (52, 360942), (78, 240628), (86, 218244), (104, 180471), (129, 145496), (156, 120314), (172, 109122), (258, 72748), (312, 60157), (344, 54561), (516, 36374), (559, 33576), (1032, 18187), (1118, 16788), (1399, 13416), (1677, 11192), (2236, 8394), (2798, 6708), (3354, 5596), (4197, 4472)]