18478046

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11934754

約数列:

[1, 2, 29, 31, 43, 58, 62, 86, 239, 478, 899, 1247, 1333, 1798, 2494, 2666, 6931, 7409, 10277, 13862, 14818, 20554, 38657, 77314, 214861, 298033, 318587, 429722, 596066, 637174, 9239023, 18478046]

約数ペア:

[(1, 18478046), (2, 9239023), (29, 637174), (31, 596066), (43, 429722), (58, 318587), (62, 298033), (86, 214861), (239, 77314), (478, 38657), (899, 20554), (1247, 14818), (1333, 13862), (1798, 10277), (2494, 7409), (2666, 6931)]