18604208

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3863}}^1$

素因数の和:3921

約数の個数: 40

約数和(自身を含む): 42163968

約数和(自身を除く): 23559760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 3863, 4816, 7726, 15452, 27041, 30904, 54082, 61808, 108164, 166109, 216328, 332218, 432656, 664436, 1162763, 1328872, 2325526, 2657744, 4651052, 9302104, 18604208]

約数ペア:

[(1, 18604208), (2, 9302104), (4, 4651052), (7, 2657744), (8, 2325526), (14, 1328872), (16, 1162763), (28, 664436), (43, 432656), (56, 332218), (86, 216328), (112, 166109), (172, 108164), (301, 61808), (344, 54082), (602, 30904), (688, 27041), (1204, 15452), (2408, 7726), (3863, 4816)]