17980446

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 40521600

約数和(自身を除く): 22541154

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 199, 222, 398, 407, 597, 814, 1194, 1221, 1369, 2189, 2442, 2738, 4107, 4378, 6567, 7363, 8214, 13134, 14726, 15059, 22089, 30118, 44178, 45177, 80993, 90354, 161986, 242979, 272431, 485958, 544862, 817293, 1634586, 2996741, 5993482, 8990223, 17980446]

約数ペア:

[(1, 17980446), (2, 8990223), (3, 5993482), (6, 2996741), (11, 1634586), (22, 817293), (33, 544862), (37, 485958), (66, 272431), (74, 242979), (111, 161986), (199, 90354), (222, 80993), (398, 45177), (407, 44178), (597, 30118), (814, 22089), (1194, 15059), (1221, 14726), (1369, 13134), (2189, 8214), (2442, 7363), (2738, 6567), (4107, 4378)]