18554284

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 39610368

約数和(自身を除く): 21056084

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 92, 94, 161, 188, 322, 329, 613, 644, 658, 1081, 1226, 1316, 2162, 2452, 4291, 4324, 7567, 8582, 14099, 15134, 17164, 28198, 28811, 30268, 56396, 57622, 98693, 115244, 197386, 201677, 394772, 403354, 662653, 806708, 1325306, 2650612, 4638571, 9277142, 18554284]

約数ペア:

[(1, 18554284), (2, 9277142), (4, 4638571), (7, 2650612), (14, 1325306), (23, 806708), (28, 662653), (46, 403354), (47, 394772), (92, 201677), (94, 197386), (161, 115244), (188, 98693), (322, 57622), (329, 56396), (613, 30268), (644, 28811), (658, 28198), (1081, 17164), (1226, 15134), (1316, 14099), (2162, 8582), (2452, 7567), (4291, 4324)]