17994726

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 40607424

約数和(自身を除く): 22612698

約数列:

[1, 2, 3, 6, 9, 18, 43, 67, 86, 129, 134, 201, 258, 347, 387, 402, 603, 694, 774, 1041, 1206, 2082, 2881, 3123, 5762, 6246, 8643, 14921, 17286, 23249, 25929, 29842, 44763, 46498, 51858, 69747, 89526, 134289, 139494, 209241, 268578, 418482, 999707, 1999414, 2999121, 5998242, 8997363, 17994726]

約数ペア:

[(1, 17994726), (2, 8997363), (3, 5998242), (6, 2999121), (9, 1999414), (18, 999707), (43, 418482), (67, 268578), (86, 209241), (129, 139494), (134, 134289), (201, 89526), (258, 69747), (347, 51858), (387, 46498), (402, 44763), (603, 29842), (694, 25929), (774, 23249), (1041, 17286), (1206, 14921), (2082, 8643), (2881, 6246), (3123, 5762)]