18481744

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26863}}^1$

素因数の和:26914

約数の個数: 20

約数和(自身を含む): 36642496

約数和(自身を除く): 18160752

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26863, 53726, 107452, 214904, 429808, 1155109, 2310218, 4620436, 9240872, 18481744]

約数ペア:

[(1, 18481744), (2, 9240872), (4, 4620436), (8, 2310218), (16, 1155109), (43, 429808), (86, 214904), (172, 107452), (344, 53726), (688, 26863)]