18905552

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27479}}^1$

素因数の和:27530

約数の個数: 20

約数和(自身を含む): 37482720

約数和(自身を除く): 18577168

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27479, 54958, 109916, 219832, 439664, 1181597, 2363194, 4726388, 9452776, 18905552]

約数ペア:

[(1, 18905552), (2, 9452776), (4, 4726388), (8, 2363194), (16, 1181597), (43, 439664), (86, 219832), (172, 109916), (344, 54958), (688, 27479)]