18010538

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 34511904

約数和(自身を除く): 16501366

約数列:

[1, 2, 7, 13, 14, 26, 49, 67, 91, 98, 134, 182, 211, 422, 469, 637, 871, 938, 1274, 1477, 1742, 2743, 2954, 3283, 5486, 6097, 6566, 10339, 12194, 14137, 19201, 20678, 28274, 38402, 42679, 85358, 98959, 134407, 183781, 197918, 268814, 367562, 692713, 1286467, 1385426, 2572934, 9005269, 18010538]

約数ペア:

[(1, 18010538), (2, 9005269), (7, 2572934), (13, 1385426), (14, 1286467), (26, 692713), (49, 367562), (67, 268814), (91, 197918), (98, 183781), (134, 134407), (182, 98959), (211, 85358), (422, 42679), (469, 38402), (637, 28274), (871, 20678), (938, 19201), (1274, 14137), (1477, 12194), (1742, 10339), (2743, 6566), (2954, 6097), (3283, 5486)]