18428166

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:901

約数の個数: 48

約数和(自身を含む): 42316560

約数和(自身を除く): 23888394

約数列:

[1, 2, 3, 6, 9, 18, 29, 43, 58, 86, 87, 129, 174, 258, 261, 387, 522, 774, 821, 1247, 1642, 2463, 2494, 3741, 4926, 7389, 7482, 11223, 14778, 22446, 23809, 35303, 47618, 70606, 71427, 105909, 142854, 211818, 214281, 317727, 428562, 635454, 1023787, 2047574, 3071361, 6142722, 9214083, 18428166]

約数ペア:

[(1, 18428166), (2, 9214083), (3, 6142722), (6, 3071361), (9, 2047574), (18, 1023787), (29, 635454), (43, 428562), (58, 317727), (86, 214281), (87, 211818), (129, 142854), (174, 105909), (258, 71427), (261, 70606), (387, 47618), (522, 35303), (774, 23809), (821, 22446), (1247, 14778), (1642, 11223), (2463, 7482), (2494, 7389), (3741, 4926)]