18420426

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{7933}}^1$

素因数の和:7987

約数の個数: 32

約数和(自身を含む): 41891520

約数和(自身を除く): 23471094

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 7933, 15866, 23799, 47598, 71397, 142794, 214191, 341119, 428382, 682238, 1023357, 2046714, 3070071, 6140142, 9210213, 18420426]

約数ペア:

[(1, 18420426), (2, 9210213), (3, 6140142), (6, 3070071), (9, 2046714), (18, 1023357), (27, 682238), (43, 428382), (54, 341119), (86, 214191), (129, 142794), (258, 71397), (387, 47598), (774, 23799), (1161, 15866), (2322, 7933)]