18535188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{839}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 31139052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 263, 526, 789, 839, 1052, 1578, 1678, 1841, 2517, 3156, 3356, 3682, 5034, 5523, 5873, 7364, 10068, 11046, 11746, 17619, 22092, 23492, 35238, 70476, 220657, 441314, 661971, 882628, 1323942, 1544599, 2647884, 3089198, 4633797, 6178396, 9267594, 18535188]

約数ペア:

[(1, 18535188), (2, 9267594), (3, 6178396), (4, 4633797), (6, 3089198), (7, 2647884), (12, 1544599), (14, 1323942), (21, 882628), (28, 661971), (42, 441314), (84, 220657), (263, 70476), (526, 35238), (789, 23492), (839, 22092), (1052, 17619), (1578, 11746), (1678, 11046), (1841, 10068), (2517, 7364), (3156, 5873), (3356, 5523), (3682, 5034)]