18630352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2083}}^1$

素因数の和:2147

約数の個数: 40

約数和(自身を含む): 39796064

約数和(自身を除く): 21165712

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2083, 2236, 4166, 4472, 8332, 8944, 16664, 27079, 33328, 54158, 89569, 108316, 179138, 216632, 358276, 433264, 716552, 1164397, 1433104, 2328794, 4657588, 9315176, 18630352]

約数ペア:

[(1, 18630352), (2, 9315176), (4, 4657588), (8, 2328794), (13, 1433104), (16, 1164397), (26, 716552), (43, 433264), (52, 358276), (86, 216632), (104, 179138), (172, 108316), (208, 89569), (344, 54158), (559, 33328), (688, 27079), (1118, 16664), (2083, 8944), (2236, 8332), (4166, 4472)]