18034268

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 38438400

約数和(自身を除く): 20404132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 109, 133, 218, 266, 311, 436, 532, 622, 763, 1244, 1526, 2071, 2177, 3052, 4142, 4354, 5909, 8284, 8708, 11818, 14497, 23636, 28994, 33899, 41363, 57988, 67798, 82726, 135596, 165452, 237293, 474586, 644081, 949172, 1288162, 2576324, 4508567, 9017134, 18034268]

約数ペア:

[(1, 18034268), (2, 9017134), (4, 4508567), (7, 2576324), (14, 1288162), (19, 949172), (28, 644081), (38, 474586), (76, 237293), (109, 165452), (133, 135596), (218, 82726), (266, 67798), (311, 57988), (436, 41363), (532, 33899), (622, 28994), (763, 23636), (1244, 14497), (1526, 11818), (2071, 8708), (2177, 8284), (3052, 5909), (4142, 4354)]