18388328

素因数分解:

$2^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 40817700

約数和(自身を除く): 22429372

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 61, 98, 122, 196, 244, 392, 427, 488, 769, 854, 1538, 1708, 2989, 3076, 3416, 5383, 5978, 6152, 10766, 11956, 21532, 23912, 37681, 43064, 46909, 75362, 93818, 150724, 187636, 301448, 328363, 375272, 656726, 1313452, 2298541, 2626904, 4597082, 9194164, 18388328]

約数ペア:

[(1, 18388328), (2, 9194164), (4, 4597082), (7, 2626904), (8, 2298541), (14, 1313452), (28, 656726), (49, 375272), (56, 328363), (61, 301448), (98, 187636), (122, 150724), (196, 93818), (244, 75362), (392, 46909), (427, 43064), (488, 37681), (769, 23912), (854, 21532), (1538, 11956), (1708, 10766), (2989, 6152), (3076, 5978), (3416, 5383)]