18139808

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{13183}}^1$

素因数の和:13236

約数の個数: 24

約数和(自身を含む): 36546048

約数和(自身を除く): 18406240

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 13183, 26366, 52732, 105464, 210928, 421856, 566869, 1133738, 2267476, 4534952, 9069904, 18139808]

約数ペア:

[(1, 18139808), (2, 9069904), (4, 4534952), (8, 2267476), (16, 1133738), (32, 566869), (43, 421856), (86, 210928), (172, 105464), (344, 52732), (688, 26366), (1376, 13183)]