18188534

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 34983648

約数和(自身を除く): 16795114

約数列:

[1, 2, 7, 13, 14, 26, 37, 73, 74, 91, 146, 182, 259, 481, 511, 518, 949, 962, 1022, 1369, 1898, 2701, 2738, 3367, 5402, 6643, 6734, 9583, 13286, 17797, 18907, 19166, 35113, 35594, 37814, 70226, 99937, 124579, 199874, 245791, 249158, 491582, 699559, 1299181, 1399118, 2598362, 9094267, 18188534]

約数ペア:

[(1, 18188534), (2, 9094267), (7, 2598362), (13, 1399118), (14, 1299181), (26, 699559), (37, 491582), (73, 249158), (74, 245791), (91, 199874), (146, 124579), (182, 99937), (259, 70226), (481, 37814), (511, 35594), (518, 35113), (949, 19166), (962, 18907), (1022, 17797), (1369, 13286), (1898, 9583), (2701, 6734), (2738, 6643), (3367, 5402)]