18509414

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 34822656

約数和(自身を除く): 16313242

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 263, 457, 526, 914, 1841, 2893, 3199, 3682, 5027, 5786, 6398, 10054, 20251, 35189, 40502, 70378, 120191, 240382, 841337, 1322101, 1682674, 2644202, 9254707, 18509414]

約数ペア:

[(1, 18509414), (2, 9254707), (7, 2644202), (11, 1682674), (14, 1322101), (22, 841337), (77, 240382), (154, 120191), (263, 70378), (457, 40502), (526, 35189), (914, 20251), (1841, 10054), (2893, 6398), (3199, 5786), (3682, 5027)]