18885328

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15329}}^1$

素因数の和:15355

約数の個数: 40

約数和(自身を含む): 45622080

約数和(自身を除く): 26736752

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 15329, 30658, 61316, 107303, 122632, 168619, 214606, 245264, 337238, 429212, 674476, 858424, 1180333, 1348952, 1716848, 2360666, 2697904, 4721332, 9442664, 18885328]

約数ペア:

[(1, 18885328), (2, 9442664), (4, 4721332), (7, 2697904), (8, 2360666), (11, 1716848), (14, 1348952), (16, 1180333), (22, 858424), (28, 674476), (44, 429212), (56, 337238), (77, 245264), (88, 214606), (112, 168619), (154, 122632), (176, 107303), (308, 61316), (616, 30658), (1232, 15329)]