18480732

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 44352000

約数和(自身を除く): 25871268

約数列:

[1, 2, 3, 4, 6, 12, 71, 109, 142, 199, 213, 218, 284, 327, 398, 426, 436, 597, 654, 796, 852, 1194, 1308, 2388, 7739, 14129, 15478, 21691, 23217, 28258, 30956, 42387, 43382, 46434, 56516, 65073, 84774, 86764, 92868, 130146, 169548, 260292, 1540061, 3080122, 4620183, 6160244, 9240366, 18480732]

約数ペア:

[(1, 18480732), (2, 9240366), (3, 6160244), (4, 4620183), (6, 3080122), (12, 1540061), (71, 260292), (109, 169548), (142, 130146), (199, 92868), (213, 86764), (218, 84774), (284, 65073), (327, 56516), (398, 46434), (426, 43382), (436, 42387), (597, 30956), (654, 28258), (796, 23217), (852, 21691), (1194, 15478), (1308, 14129), (2388, 7739)]