18089918

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 34990704

約数和(自身を除く): 16900786

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 97, 98, 154, 173, 194, 346, 539, 679, 1067, 1078, 1211, 1358, 1903, 2134, 2422, 3806, 4753, 7469, 8477, 9506, 13321, 14938, 16781, 16954, 26642, 33562, 52283, 93247, 104566, 117467, 184591, 186494, 234934, 369182, 822269, 1292137, 1644538, 2584274, 9044959, 18089918]

約数ペア:

[(1, 18089918), (2, 9044959), (7, 2584274), (11, 1644538), (14, 1292137), (22, 822269), (49, 369182), (77, 234934), (97, 186494), (98, 184591), (154, 117467), (173, 104566), (194, 93247), (346, 52283), (539, 33562), (679, 26642), (1067, 16954), (1078, 16781), (1211, 14938), (1358, 13321), (1903, 9506), (2134, 8477), (2422, 7469), (3806, 4753)]